Home / 132,283.12-182,531.56-75,683.92

Finding the Fourth Proportional to 132,283.12, 182,531.56 and 75,683.92

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Solution

The fourth proportional to 132,283.12, 182,531.56 and 75,683.92 is: 104,432.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,283.12 : 182,531.56 = 75,683.92 : x
  2. Step 2: Convert to fraction form
    132,283.12/182,531.56 = 75,683.92/x
  3. Step 3: Cross multiply
    132,283.12x = 182,531.56 × 75,683.92
  4. Step 4: Simplify right side
    132,283.12x = 13,814,703,984.52
  5. Step 5: Solve for x
    x = 13,814,703,984.52/132,283.12
  6. Step 6: Final answer
    x = 104,432.86

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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.