Home / 127,808.31-176,376.17-74,125.16

Finding the Fourth Proportional to 127,808.31, 176,376.17 and 74,125.16

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Solution

The fourth proportional to 127,808.31, 176,376.17 and 74,125.16 is: 102,293.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,808.31 : 176,376.17 = 74,125.16 : x
  2. Step 2: Convert to fraction form
    127,808.31/176,376.17 = 74,125.16/x
  3. Step 3: Cross multiply
    127,808.31x = 176,376.17 × 74,125.16
  4. Step 4: Simplify right side
    127,808.31x = 13,073,911,821.44
  5. Step 5: Solve for x
    x = 13,073,911,821.44/127,808.31
  6. Step 6: Final answer
    x = 102,293.13

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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.