Home / 198,443.19-273,845.28-112,410.12

Finding the Fourth Proportional to 198,443.19, 273,845.28 and 112,410.12

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Solution

The fourth proportional to 198,443.19, 273,845.28 and 112,410.12 is: 155,122.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,443.19 : 273,845.28 = 112,410.12 : x
  2. Step 2: Convert to fraction form
    198,443.19/273,845.28 = 112,410.12/x
  3. Step 3: Cross multiply
    198,443.19x = 273,845.28 × 112,410.12
  4. Step 4: Simplify right side
    198,443.19x = 30,782,980,786.23
  5. Step 5: Solve for x
    x = 30,782,980,786.23/198,443.19
  6. Step 6: Final answer
    x = 155,122.38

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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.