Home / 117,359.08-161,991.30-93,648.76

Finding the Fourth Proportional to 117,359.08, 161,991.30 and 93,648.76

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Solution

The fourth proportional to 117,359.08, 161,991.30 and 93,648.76 is: 129,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,359.08 : 161,991.30 = 93,648.76 : x
  2. Step 2: Convert to fraction form
    117,359.08/161,991.30 = 93,648.76/x
  3. Step 3: Cross multiply
    117,359.08x = 161,991.30 × 93,648.76
  4. Step 4: Simplify right side
    117,359.08x = 15,170,284,375.79
  5. Step 5: Solve for x
    x = 15,170,284,375.79/117,359.08
  6. Step 6: Final answer
    x = 129,263.83

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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.