Home / 147,451.41-203,480.50-82,037.71

Finding the Fourth Proportional to 147,451.41, 203,480.50 and 82,037.71

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Solution

The fourth proportional to 147,451.41, 203,480.50 and 82,037.71 is: 113,210.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,451.41 : 203,480.50 = 82,037.71 : x
  2. Step 2: Convert to fraction form
    147,451.41/203,480.50 = 82,037.71/x
  3. Step 3: Cross multiply
    147,451.41x = 203,480.50 × 82,037.71
  4. Step 4: Simplify right side
    147,451.41x = 16,693,073,232.25
  5. Step 5: Solve for x
    x = 16,693,073,232.25/147,451.41
  6. Step 6: Final answer
    x = 113,210.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.