Home / 132,438.66-182,761.35-75,083.28

Finding the Fourth Proportional to 132,438.66, 182,761.35 and 75,083.28

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Solution

The fourth proportional to 132,438.66, 182,761.35 and 75,083.28 is: 103,612.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,438.66 : 182,761.35 = 75,083.28 : x
  2. Step 2: Convert to fraction form
    132,438.66/182,761.35 = 75,083.28/x
  3. Step 3: Cross multiply
    132,438.66x = 182,761.35 × 75,083.28
  4. Step 4: Simplify right side
    132,438.66x = 13,722,321,615.23
  5. Step 5: Solve for x
    x = 13,722,321,615.23/132,438.66
  6. Step 6: Final answer
    x = 103,612.66

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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.