Home / 136,725.15-205,020.17-41,932.61

Finding the Fourth Proportional to 136,725.15, 205,020.17 and 41,932.61

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Solution

The fourth proportional to 136,725.15, 205,020.17 and 41,932.61 is: 62,878.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,725.15 : 205,020.17 = 41,932.61 : x
  2. Step 2: Convert to fraction form
    136,725.15/205,020.17 = 41,932.61/x
  3. Step 3: Cross multiply
    136,725.15x = 205,020.17 × 41,932.61
  4. Step 4: Simplify right side
    136,725.15x = 8,597,030,830.74
  5. Step 5: Solve for x
    x = 8,597,030,830.74/136,725.15
  6. Step 6: Final answer
    x = 62,878.20

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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.