Home / 108,075.62-161,781.23-92,132.39

Finding the Fourth Proportional to 108,075.62, 161,781.23 and 92,132.39

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Solution

The fourth proportional to 108,075.62, 161,781.23 and 92,132.39 is: 137,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,075.62 : 161,781.23 = 92,132.39 : x
  2. Step 2: Convert to fraction form
    108,075.62/161,781.23 = 92,132.39/x
  3. Step 3: Cross multiply
    108,075.62x = 161,781.23 × 92,132.39
  4. Step 4: Simplify right side
    108,075.62x = 14,905,290,107.47
  5. Step 5: Solve for x
    x = 14,905,290,107.47/108,075.62
  6. Step 6: Final answer
    x = 137,915.39

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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.