Home / 147,832.38-204,008.76-80,764.38

Finding the Fourth Proportional to 147,832.38, 204,008.76 and 80,764.38

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Solution

The fourth proportional to 147,832.38, 204,008.76 and 80,764.38 is: 111,454.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,832.38 : 204,008.76 = 80,764.38 : x
  2. Step 2: Convert to fraction form
    147,832.38/204,008.76 = 80,764.38/x
  3. Step 3: Cross multiply
    147,832.38x = 204,008.76 × 80,764.38
  4. Step 4: Simplify right side
    147,832.38x = 16,476,641,015.97
  5. Step 5: Solve for x
    x = 16,476,641,015.97/147,832.38
  6. Step 6: Final answer
    x = 111,454.89

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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.