Home / 133,764.28-199,467.41-132,565.12

Finding the Fourth Proportional to 133,764.28, 199,467.41 and 132,565.12

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Solution

The fourth proportional to 133,764.28, 199,467.41 and 132,565.12 is: 197,679.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,764.28 : 199,467.41 = 132,565.12 : x
  2. Step 2: Convert to fraction form
    133,764.28/199,467.41 = 132,565.12/x
  3. Step 3: Cross multiply
    133,764.28x = 199,467.41 × 132,565.12
  4. Step 4: Simplify right side
    133,764.28x = 26,442,421,142.74
  5. Step 5: Solve for x
    x = 26,442,421,142.74/133,764.28
  6. Step 6: Final answer
    x = 197,679.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.