Home / 198,219.83-273,543.55-107,575.81

Finding the Fourth Proportional to 198,219.83, 273,543.55 and 107,575.81

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Solution

The fourth proportional to 198,219.83, 273,543.55 and 107,575.81 is: 148,454.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,219.83 : 273,543.55 = 107,575.81 : x
  2. Step 2: Convert to fraction form
    198,219.83/273,543.55 = 107,575.81/x
  3. Step 3: Cross multiply
    198,219.83x = 273,543.55 × 107,575.81
  4. Step 4: Simplify right side
    198,219.83x = 29,426,668,008.73
  5. Step 5: Solve for x
    x = 29,426,668,008.73/198,219.83
  6. Step 6: Final answer
    x = 148,454.72

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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.