Home / 136,589.46-188,423.20-91,252.96

Finding the Fourth Proportional to 136,589.46, 188,423.20 and 91,252.96

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Solution

The fourth proportional to 136,589.46, 188,423.20 and 91,252.96 is: 125,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,589.46 : 188,423.20 = 91,252.96 : x
  2. Step 2: Convert to fraction form
    136,589.46/188,423.20 = 91,252.96/x
  3. Step 3: Cross multiply
    136,589.46x = 188,423.20 × 91,252.96
  4. Step 4: Simplify right side
    136,589.46x = 17,194,174,732.67
  5. Step 5: Solve for x
    x = 17,194,174,732.67/136,589.46
  6. Step 6: Final answer
    x = 125,882.15

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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.