Home / 125,729.24-173,506.92-69,144.20

Finding the Fourth Proportional to 125,729.24, 173,506.92 and 69,144.20

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Solution

The fourth proportional to 125,729.24, 173,506.92 and 69,144.20 is: 95,419.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,729.24 : 173,506.92 = 69,144.20 : x
  2. Step 2: Convert to fraction form
    125,729.24/173,506.92 = 69,144.20/x
  3. Step 3: Cross multiply
    125,729.24x = 173,506.92 × 69,144.20
  4. Step 4: Simplify right side
    125,729.24x = 11,996,997,177.86
  5. Step 5: Solve for x
    x = 11,996,997,177.86/125,729.24
  6. Step 6: Final answer
    x = 95,419.31

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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.