Home / 125,942.31-173,824.17-72,262.38

Finding the Fourth Proportional to 125,942.31, 173,824.17 and 72,262.38

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Solution

The fourth proportional to 125,942.31, 173,824.17 and 72,262.38 is: 99,735.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,942.31 : 173,824.17 = 72,262.38 : x
  2. Step 2: Convert to fraction form
    125,942.31/173,824.17 = 72,262.38/x
  3. Step 3: Cross multiply
    125,942.31x = 173,824.17 × 72,262.38
  4. Step 4: Simplify right side
    125,942.31x = 12,560,948,225.72
  5. Step 5: Solve for x
    x = 12,560,948,225.72/125,942.31
  6. Step 6: Final answer
    x = 99,735.73

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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.