Home / 108,580.19-162,646.10-80,531.91

Finding the Fourth Proportional to 108,580.19, 162,646.10 and 80,531.91

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Solution

The fourth proportional to 108,580.19, 162,646.10 and 80,531.91 is: 120,631.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,580.19 : 162,646.10 = 80,531.91 : x
  2. Step 2: Convert to fraction form
    108,580.19/162,646.10 = 80,531.91/x
  3. Step 3: Cross multiply
    108,580.19x = 162,646.10 × 80,531.91
  4. Step 4: Simplify right side
    108,580.19x = 13,098,200,684.39
  5. Step 5: Solve for x
    x = 13,098,200,684.39/108,580.19
  6. Step 6: Final answer
    x = 120,631.59

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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.