Home / 136,345.46-188,105.84-136,134.96

Finding the Fourth Proportional to 136,345.46, 188,105.84 and 136,134.96

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Solution

The fourth proportional to 136,345.46, 188,105.84 and 136,134.96 is: 187,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,345.46 : 188,105.84 = 136,134.96 : x
  2. Step 2: Convert to fraction form
    136,345.46/188,105.84 = 136,134.96/x
  3. Step 3: Cross multiply
    136,345.46x = 188,105.84 × 136,134.96
  4. Step 4: Simplify right side
    136,345.46x = 25,607,781,004.17
  5. Step 5: Solve for x
    x = 25,607,781,004.17/136,345.46
  6. Step 6: Final answer
    x = 187,815.43

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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.