Home / 119,242.09-178,621.60-55,109.12

Finding the Fourth Proportional to 119,242.09, 178,621.60 and 55,109.12

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Solution

The fourth proportional to 119,242.09, 178,621.60 and 55,109.12 is: 82,552.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,242.09 : 178,621.60 = 55,109.12 : x
  2. Step 2: Convert to fraction form
    119,242.09/178,621.60 = 55,109.12/x
  3. Step 3: Cross multiply
    119,242.09x = 178,621.60 × 55,109.12
  4. Step 4: Simplify right side
    119,242.09x = 9,843,679,188.99
  5. Step 5: Solve for x
    x = 9,843,679,188.99/119,242.09
  6. Step 6: Final answer
    x = 82,552.05

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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.