Home / 136,935.59-205,233.82-77,591.34

Finding the Fourth Proportional to 136,935.59, 205,233.82 and 77,591.34

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Solution

The fourth proportional to 136,935.59, 205,233.82 and 77,591.34 is: 116,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,935.59 : 205,233.82 = 77,591.34 : x
  2. Step 2: Convert to fraction form
    136,935.59/205,233.82 = 77,591.34/x
  3. Step 3: Cross multiply
    136,935.59x = 205,233.82 × 77,591.34
  4. Step 4: Simplify right side
    136,935.59x = 15,924,366,913.14
  5. Step 5: Solve for x
    x = 15,924,366,913.14/136,935.59
  6. Step 6: Final answer
    x = 116,290.93

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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.