Home / 129,610.29-194,345.08-58,449.66

Finding the Fourth Proportional to 129,610.29, 194,345.08 and 58,449.66

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Solution

The fourth proportional to 129,610.29, 194,345.08 and 58,449.66 is: 87,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,610.29 : 194,345.08 = 58,449.66 : x
  2. Step 2: Convert to fraction form
    129,610.29/194,345.08 = 58,449.66/x
  3. Step 3: Cross multiply
    129,610.29x = 194,345.08 × 58,449.66
  4. Step 4: Simplify right side
    129,610.29x = 11,359,404,431.34
  5. Step 5: Solve for x
    x = 11,359,404,431.34/129,610.29
  6. Step 6: Final answer
    x = 87,642.77

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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.