Home / 136,897.46-205,176.66-77,553.24

Finding the Fourth Proportional to 136,897.46, 205,176.66 and 77,553.24

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Solution

The fourth proportional to 136,897.46, 205,176.66 and 77,553.24 is: 116,233.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,897.46 : 205,176.66 = 77,553.24 : x
  2. Step 2: Convert to fraction form
    136,897.46/205,176.66 = 77,553.24/x
  3. Step 3: Cross multiply
    136,897.46x = 205,176.66 × 77,553.24
  4. Step 4: Simplify right side
    136,897.46x = 15,912,114,755.38
  5. Step 5: Solve for x
    x = 15,912,114,755.38/136,897.46
  6. Step 6: Final answer
    x = 116,233.82

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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.