Home / 185,691.48-256,465.29-125,157.78

Finding the Fourth Proportional to 185,691.48, 256,465.29 and 125,157.78

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Solution

The fourth proportional to 185,691.48, 256,465.29 and 125,157.78 is: 172,859.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,691.48 : 256,465.29 = 125,157.78 : x
  2. Step 2: Convert to fraction form
    185,691.48/256,465.29 = 125,157.78/x
  3. Step 3: Cross multiply
    185,691.48x = 256,465.29 × 125,157.78
  4. Step 4: Simplify right side
    185,691.48x = 32,098,626,343.46
  5. Step 5: Solve for x
    x = 32,098,626,343.46/185,691.48
  6. Step 6: Final answer
    x = 172,859.98

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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.