Home / 132,115.76-198,186.60-37,346.66

Finding the Fourth Proportional to 132,115.76, 198,186.60 and 37,346.66

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Solution

The fourth proportional to 132,115.76, 198,186.60 and 37,346.66 is: 56,023.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,115.76 : 198,186.60 = 37,346.66 : x
  2. Step 2: Convert to fraction form
    132,115.76/198,186.60 = 37,346.66/x
  3. Step 3: Cross multiply
    132,115.76x = 198,186.60 × 37,346.66
  4. Step 4: Simplify right side
    132,115.76x = 7,401,606,575.82
  5. Step 5: Solve for x
    x = 7,401,606,575.82/132,115.76
  6. Step 6: Final answer
    x = 56,023.65

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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.