Home / 129,207.66-193,558.76-84,698.58

Finding the Fourth Proportional to 129,207.66, 193,558.76 and 84,698.58

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Solution

The fourth proportional to 129,207.66, 193,558.76 and 84,698.58 is: 126,882.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,207.66 : 193,558.76 = 84,698.58 : x
  2. Step 2: Convert to fraction form
    129,207.66/193,558.76 = 84,698.58/x
  3. Step 3: Cross multiply
    129,207.66x = 193,558.76 × 84,698.58
  4. Step 4: Simplify right side
    129,207.66x = 16,394,152,118.56
  5. Step 5: Solve for x
    x = 16,394,152,118.56/129,207.66
  6. Step 6: Final answer
    x = 126,882.20

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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.