Home / 161,129.91-241,748.17-86,233.36

Finding the Fourth Proportional to 161,129.91, 241,748.17 and 86,233.36

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Solution

The fourth proportional to 161,129.91, 241,748.17 and 86,233.36 is: 129,378.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,129.91 : 241,748.17 = 86,233.36 : x
  2. Step 2: Convert to fraction form
    161,129.91/241,748.17 = 86,233.36/x
  3. Step 3: Cross multiply
    161,129.91x = 241,748.17 × 86,233.36
  4. Step 4: Simplify right side
    161,129.91x = 20,846,756,972.95
  5. Step 5: Solve for x
    x = 20,846,756,972.95/161,129.91
  6. Step 6: Final answer
    x = 129,378.57

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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.