Home / 99,410.10-149,115.15-88,523.70

Finding the Fourth Proportional to 99,410.10, 149,115.15 and 88,523.70

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Solution

The fourth proportional to 99,410.10, 149,115.15 and 88,523.70 is: 132,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,410.10 : 149,115.15 = 88,523.70 : x
  2. Step 2: Convert to fraction form
    99,410.10/149,115.15 = 88,523.70/x
  3. Step 3: Cross multiply
    99,410.10x = 149,115.15 × 88,523.70
  4. Step 4: Simplify right side
    99,410.10x = 13,200,224,804.06
  5. Step 5: Solve for x
    x = 13,200,224,804.06/99,410.10
  6. Step 6: Final answer
    x = 132,785.55

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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.