Home / 198,261.12-273,594.24-107,612.80

Finding the Fourth Proportional to 198,261.12, 273,594.24 and 107,612.80

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Solution

The fourth proportional to 198,261.12, 273,594.24 and 107,612.80 is: 148,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,261.12 : 273,594.24 = 107,612.80 : x
  2. Step 2: Convert to fraction form
    198,261.12/273,594.24 = 107,612.80/x
  3. Step 3: Cross multiply
    198,261.12x = 273,594.24 × 107,612.80
  4. Step 4: Simplify right side
    198,261.12x = 29,442,242,230.27
  5. Step 5: Solve for x
    x = 29,442,242,230.27/198,261.12
  6. Step 6: Final answer
    x = 148,502.35

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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.