Home / 127,836.30-176,414.96-71,251.32

Finding the Fourth Proportional to 127,836.30, 176,414.96 and 71,251.32

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Solution

The fourth proportional to 127,836.30, 176,414.96 and 71,251.32 is: 98,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,836.30 : 176,414.96 = 71,251.32 : x
  2. Step 2: Convert to fraction form
    127,836.30/176,414.96 = 71,251.32/x
  3. Step 3: Cross multiply
    127,836.30x = 176,414.96 × 71,251.32
  4. Step 4: Simplify right side
    127,836.30x = 12,569,798,767.75
  5. Step 5: Solve for x
    x = 12,569,798,767.75/127,836.30
  6. Step 6: Final answer
    x = 98,327.30

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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.