Home / 185,761.20-256,428.93-125,413.59

Finding the Fourth Proportional to 185,761.20, 256,428.93 and 125,413.59

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Solution

The fourth proportional to 185,761.20, 256,428.93 and 125,413.59 is: 173,123.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,761.20 : 256,428.93 = 125,413.59 : x
  2. Step 2: Convert to fraction form
    185,761.20/256,428.93 = 125,413.59/x
  3. Step 3: Cross multiply
    185,761.20x = 256,428.93 × 125,413.59
  4. Step 4: Simplify right side
    185,761.20x = 32,159,672,691.16
  5. Step 5: Solve for x
    x = 32,159,672,691.16/185,761.20
  6. Step 6: Final answer
    x = 173,123.73

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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.