Home / 198,211.38-273,533.71-107,568.13

Finding the Fourth Proportional to 198,211.38, 273,533.71 and 107,568.13

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Solution

The fourth proportional to 198,211.38, 273,533.71 and 107,568.13 is: 148,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,211.38 : 273,533.71 = 107,568.13 : x
  2. Step 2: Convert to fraction form
    198,211.38/273,533.71 = 107,568.13/x
  3. Step 3: Cross multiply
    198,211.38x = 273,533.71 × 107,568.13
  4. Step 4: Simplify right side
    198,211.38x = 29,423,508,669.16
  5. Step 5: Solve for x
    x = 29,423,508,669.16/198,211.38
  6. Step 6: Final answer
    x = 148,445.10

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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.