Home / 99,772.31-149,626.19-33,194.56

Finding the Fourth Proportional to 99,772.31, 149,626.19 and 33,194.56

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Solution

The fourth proportional to 99,772.31, 149,626.19 and 33,194.56 is: 49,781.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,772.31 : 149,626.19 = 33,194.56 : x
  2. Step 2: Convert to fraction form
    99,772.31/149,626.19 = 33,194.56/x
  3. Step 3: Cross multiply
    99,772.31x = 149,626.19 × 33,194.56
  4. Step 4: Simplify right side
    99,772.31x = 4,966,775,344.28
  5. Step 5: Solve for x
    x = 4,966,775,344.28/99,772.31
  6. Step 6: Final answer
    x = 49,781.10

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1.5x scale

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.