Home / 121,592.22-182,319.88-83,686.04

Finding the Fourth Proportional to 121,592.22, 182,319.88 and 83,686.04

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Solution

The fourth proportional to 121,592.22, 182,319.88 and 83,686.04 is: 125,481.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,592.22 : 182,319.88 = 83,686.04 : x
  2. Step 2: Convert to fraction form
    121,592.22/182,319.88 = 83,686.04/x
  3. Step 3: Cross multiply
    121,592.22x = 182,319.88 × 83,686.04
  4. Step 4: Simplify right side
    121,592.22x = 15,257,628,352.05
  5. Step 5: Solve for x
    x = 15,257,628,352.05/121,592.22
  6. Step 6: Final answer
    x = 125,481.95

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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.