Home / 198,143.26-273,437.65-113,262.15

Finding the Fourth Proportional to 198,143.26, 273,437.65 and 113,262.15

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Solution

The fourth proportional to 198,143.26, 273,437.65 and 113,262.15 is: 156,301.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,143.26 : 273,437.65 = 113,262.15 : x
  2. Step 2: Convert to fraction form
    198,143.26/273,437.65 = 113,262.15/x
  3. Step 3: Cross multiply
    198,143.26x = 273,437.65 × 113,262.15
  4. Step 4: Simplify right side
    198,143.26x = 30,970,136,129.95
  5. Step 5: Solve for x
    x = 30,970,136,129.95/198,143.26
  6. Step 6: Final answer
    x = 156,301.74

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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.