Home / 149,591.56-206,463.13-89,166.12

Finding the Fourth Proportional to 149,591.56, 206,463.13 and 89,166.12

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Solution

The fourth proportional to 149,591.56, 206,463.13 and 89,166.12 is: 123,065.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,591.56 : 206,463.13 = 89,166.12 : x
  2. Step 2: Convert to fraction form
    149,591.56/206,463.13 = 89,166.12/x
  3. Step 3: Cross multiply
    149,591.56x = 206,463.13 × 89,166.12
  4. Step 4: Simplify right side
    149,591.56x = 18,409,515,228.00
  5. Step 5: Solve for x
    x = 18,409,515,228.00/149,591.56
  6. Step 6: Final answer
    x = 123,065.20

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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.