Home / 132,517.89-182,833.40-75,152.70

Finding the Fourth Proportional to 132,517.89, 182,833.40 and 75,152.70

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Solution

The fourth proportional to 132,517.89, 182,833.40 and 75,152.70 is: 103,687.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,517.89 : 182,833.40 = 75,152.70 : x
  2. Step 2: Convert to fraction form
    132,517.89/182,833.40 = 75,152.70/x
  3. Step 3: Cross multiply
    132,517.89x = 182,833.40 × 75,152.70
  4. Step 4: Simplify right side
    132,517.89x = 13,740,423,660.18
  5. Step 5: Solve for x
    x = 13,740,423,660.18/132,517.89
  6. Step 6: Final answer
    x = 103,687.31

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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.