Home / 198,507.56-273,952.68-113,622.80

Finding the Fourth Proportional to 198,507.56, 273,952.68 and 113,622.80

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Solution

The fourth proportional to 198,507.56, 273,952.68 and 113,622.80 is: 156,806.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,507.56 : 273,952.68 = 113,622.80 : x
  2. Step 2: Convert to fraction form
    198,507.56/273,952.68 = 113,622.80/x
  3. Step 3: Cross multiply
    198,507.56x = 273,952.68 × 113,622.80
  4. Step 4: Simplify right side
    198,507.56x = 31,127,270,569.10
  5. Step 5: Solve for x
    x = 31,127,270,569.10/198,507.56
  6. Step 6: Final answer
    x = 156,806.47

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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.