Home / 108,891.30-163,124.19-71,337.27

Finding the Fourth Proportional to 108,891.30, 163,124.19 and 71,337.27

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Solution

The fourth proportional to 108,891.30, 163,124.19 and 71,337.27 is: 106,866.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,891.30 : 163,124.19 = 71,337.27 : x
  2. Step 2: Convert to fraction form
    108,891.30/163,124.19 = 71,337.27/x
  3. Step 3: Cross multiply
    108,891.30x = 163,124.19 × 71,337.27
  4. Step 4: Simplify right side
    108,891.30x = 11,636,834,385.56
  5. Step 5: Solve for x
    x = 11,636,834,385.56/108,891.30
  6. Step 6: Final answer
    x = 106,866.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.