Home / 119,115.21-178,673.22-40,230.12

Finding the Fourth Proportional to 119,115.21, 178,673.22 and 40,230.12

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Solution

The fourth proportional to 119,115.21, 178,673.22 and 40,230.12 is: 60,345.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,115.21 : 178,673.22 = 40,230.12 : x
  2. Step 2: Convert to fraction form
    119,115.21/178,673.22 = 40,230.12/x
  3. Step 3: Cross multiply
    119,115.21x = 178,673.22 × 40,230.12
  4. Step 4: Simplify right side
    119,115.21x = 7,188,045,081.39
  5. Step 5: Solve for x
    x = 7,188,045,081.39/119,115.21
  6. Step 6: Final answer
    x = 60,345.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.