Home / 159,324.40-238,789.77-80,461.18

Finding the Fourth Proportional to 159,324.40, 238,789.77 and 80,461.18

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Solution

The fourth proportional to 159,324.40, 238,789.77 and 80,461.18 is: 120,592.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,324.40 : 238,789.77 = 80,461.18 : x
  2. Step 2: Convert to fraction form
    159,324.40/238,789.77 = 80,461.18/x
  3. Step 3: Cross multiply
    159,324.40x = 238,789.77 × 80,461.18
  4. Step 4: Simplify right side
    159,324.40x = 19,213,306,666.13
  5. Step 5: Solve for x
    x = 19,213,306,666.13/159,324.40
  6. Step 6: Final answer
    x = 120,592.37

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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.