Home / 127,125.10-175,426.59-69,763.12

Finding the Fourth Proportional to 127,125.10, 175,426.59 and 69,763.12

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Solution

The fourth proportional to 127,125.10, 175,426.59 and 69,763.12 is: 96,269.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,125.10 : 175,426.59 = 69,763.12 : x
  2. Step 2: Convert to fraction form
    127,125.10/175,426.59 = 69,763.12/x
  3. Step 3: Cross multiply
    127,125.10x = 175,426.59 × 69,763.12
  4. Step 4: Simplify right side
    127,125.10x = 12,238,306,470.55
  5. Step 5: Solve for x
    x = 12,238,306,470.55/127,125.10
  6. Step 6: Final answer
    x = 96,269.79

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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.