Home / 117,226.28-161,761.68-69,471.92

Finding the Fourth Proportional to 117,226.28, 161,761.68 and 69,471.92

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Solution

The fourth proportional to 117,226.28, 161,761.68 and 69,471.92 is: 95,864.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,226.28 : 161,761.68 = 69,471.92 : x
  2. Step 2: Convert to fraction form
    117,226.28/161,761.68 = 69,471.92/x
  3. Step 3: Cross multiply
    117,226.28x = 161,761.68 × 69,471.92
  4. Step 4: Simplify right side
    117,226.28x = 11,237,894,492.03
  5. Step 5: Solve for x
    x = 11,237,894,492.03/117,226.28
  6. Step 6: Final answer
    x = 95,864.98

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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.