Home / 108,194.19-149,282.37-62,845.21

Finding the Fourth Proportional to 108,194.19, 149,282.37 and 62,845.21

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Solution

The fourth proportional to 108,194.19, 149,282.37 and 62,845.21 is: 86,711.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,194.19 : 149,282.37 = 62,845.21 : x
  2. Step 2: Convert to fraction form
    108,194.19/149,282.37 = 62,845.21/x
  3. Step 3: Cross multiply
    108,194.19x = 149,282.37 × 62,845.21
  4. Step 4: Simplify right side
    108,194.19x = 9,381,681,891.95
  5. Step 5: Solve for x
    x = 9,381,681,891.95/108,194.19
  6. Step 6: Final answer
    x = 86,711.51

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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.