Home / 137,559.24-206,397.18-75,156.84

Finding the Fourth Proportional to 137,559.24, 206,397.18 and 75,156.84

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Solution

The fourth proportional to 137,559.24, 206,397.18 and 75,156.84 is: 112,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,559.24 : 206,397.18 = 75,156.84 : x
  2. Step 2: Convert to fraction form
    137,559.24/206,397.18 = 75,156.84/x
  3. Step 3: Cross multiply
    137,559.24x = 206,397.18 × 75,156.84
  4. Step 4: Simplify right side
    137,559.24x = 15,512,159,833.71
  5. Step 5: Solve for x
    x = 15,512,159,833.71/137,559.24
  6. Step 6: Final answer
    x = 112,767.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.