Home / 198,272.13-273,608.10-107,626.16

Finding the Fourth Proportional to 198,272.13, 273,608.10 and 107,626.16

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Solution

The fourth proportional to 198,272.13, 273,608.10 and 107,626.16 is: 148,520.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,272.13 : 273,608.10 = 107,626.16 : x
  2. Step 2: Convert to fraction form
    198,272.13/273,608.10 = 107,626.16/x
  3. Step 3: Cross multiply
    198,272.13x = 273,608.10 × 107,626.16
  4. Step 4: Simplify right side
    198,272.13x = 29,447,387,779.86
  5. Step 5: Solve for x
    x = 29,447,387,779.86/198,272.13
  6. Step 6: Final answer
    x = 148,520.06

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1.5x scale

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.