Home / 132,569.89-182,946.20-75,220.47

Finding the Fourth Proportional to 132,569.89, 182,946.20 and 75,220.47

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Solution

The fourth proportional to 132,569.89, 182,946.20 and 75,220.47 is: 103,804.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,569.89 : 182,946.20 = 75,220.47 : x
  2. Step 2: Convert to fraction form
    132,569.89/182,946.20 = 75,220.47/x
  3. Step 3: Cross multiply
    132,569.89x = 182,946.20 × 75,220.47
  4. Step 4: Simplify right side
    132,569.89x = 13,761,298,772.61
  5. Step 5: Solve for x
    x = 13,761,298,772.61/132,569.89
  6. Step 6: Final answer
    x = 103,804.11

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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.