Home / 198,180.20-273,530.42-126,547.76

Finding the Fourth Proportional to 198,180.20, 273,530.42 and 126,547.76

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Solution

The fourth proportional to 198,180.20, 273,530.42 and 126,547.76 is: 174,662.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,180.20 : 273,530.42 = 126,547.76 : x
  2. Step 2: Convert to fraction form
    198,180.20/273,530.42 = 126,547.76/x
  3. Step 3: Cross multiply
    198,180.20x = 273,530.42 × 126,547.76
  4. Step 4: Simplify right side
    198,180.20x = 34,614,661,942.86
  5. Step 5: Solve for x
    x = 34,614,661,942.86/198,180.20
  6. Step 6: Final answer
    x = 174,662.56

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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.