Home / 149,024.08-205,642.92-88,591.60

Finding the Fourth Proportional to 149,024.08, 205,642.92 and 88,591.60

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Solution

The fourth proportional to 149,024.08, 205,642.92 and 88,591.60 is: 122,250.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,024.08 : 205,642.92 = 88,591.60 : x
  2. Step 2: Convert to fraction form
    149,024.08/205,642.92 = 88,591.60/x
  3. Step 3: Cross multiply
    149,024.08x = 205,642.92 × 88,591.60
  4. Step 4: Simplify right side
    149,024.08x = 18,218,235,311.47
  5. Step 5: Solve for x
    x = 18,218,235,311.47/149,024.08
  6. Step 6: Final answer
    x = 122,250.28

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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.