Home / 112,034.40-167,565.60-100,273.20

Finding the Fourth Proportional to 112,034.40, 167,565.60 and 100,273.20

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Solution

The fourth proportional to 112,034.40, 167,565.60 and 100,273.20 is: 149,974.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,034.40 : 167,565.60 = 100,273.20 : x
  2. Step 2: Convert to fraction form
    112,034.40/167,565.60 = 100,273.20/x
  3. Step 3: Cross multiply
    112,034.40x = 167,565.60 × 100,273.20
  4. Step 4: Simplify right side
    112,034.40x = 16,802,338,921.92
  5. Step 5: Solve for x
    x = 16,802,338,921.92/112,034.40
  6. Step 6: Final answer
    x = 149,974.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.