Home / 159,105.06-219,564.19-93,731.83

Finding the Fourth Proportional to 159,105.06, 219,564.19 and 93,731.83

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Solution

The fourth proportional to 159,105.06, 219,564.19 and 93,731.83 is: 129,349.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,105.06 : 219,564.19 = 93,731.83 : x
  2. Step 2: Convert to fraction form
    159,105.06/219,564.19 = 93,731.83/x
  3. Step 3: Cross multiply
    159,105.06x = 219,564.19 × 93,731.83
  4. Step 4: Simplify right side
    159,105.06x = 20,580,153,331.17
  5. Step 5: Solve for x
    x = 20,580,153,331.17/159,105.06
  6. Step 6: Final answer
    x = 129,349.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.