Home / 131,925.46-182,076.67-83,531.88

Finding the Fourth Proportional to 131,925.46, 182,076.67 and 83,531.88

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Solution

The fourth proportional to 131,925.46, 182,076.67 and 83,531.88 is: 115,286.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,925.46 : 182,076.67 = 83,531.88 : x
  2. Step 2: Convert to fraction form
    131,925.46/182,076.67 = 83,531.88/x
  3. Step 3: Cross multiply
    131,925.46x = 182,076.67 × 83,531.88
  4. Step 4: Simplify right side
    131,925.46x = 15,209,206,546.74
  5. Step 5: Solve for x
    x = 15,209,206,546.74/131,925.46
  6. Step 6: Final answer
    x = 115,286.37

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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.