Home / 198,531.20-273,985.20-113,646.24

Finding the Fourth Proportional to 198,531.20, 273,985.20 and 113,646.24

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Solution

The fourth proportional to 198,531.20, 273,985.20 and 113,646.24 is: 156,838.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,531.20 : 273,985.20 = 113,646.24 : x
  2. Step 2: Convert to fraction form
    198,531.20/273,985.20 = 113,646.24/x
  3. Step 3: Cross multiply
    198,531.20x = 273,985.20 × 113,646.24
  4. Step 4: Simplify right side
    198,531.20x = 31,137,387,795.65
  5. Step 5: Solve for x
    x = 31,137,387,795.65/198,531.20
  6. Step 6: Final answer
    x = 156,838.76

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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.