Home / 198,440.19-273,841.14-112,407.12

Finding the Fourth Proportional to 198,440.19, 273,841.14 and 112,407.12

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Solution

The fourth proportional to 198,440.19, 273,841.14 and 112,407.12 is: 155,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,440.19 : 273,841.14 = 112,407.12 : x
  2. Step 2: Convert to fraction form
    198,440.19/273,841.14 = 112,407.12/x
  3. Step 3: Cross multiply
    198,440.19x = 273,841.14 × 112,407.12
  4. Step 4: Simplify right side
    198,440.19x = 30,781,693,884.92
  5. Step 5: Solve for x
    x = 30,781,693,884.92/198,440.19
  6. Step 6: Final answer
    x = 155,118.24

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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.