Home / 120,861.17-181,264.41-45,954.61

Finding the Fourth Proportional to 120,861.17, 181,264.41 and 45,954.61

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Solution

The fourth proportional to 120,861.17, 181,264.41 and 45,954.61 is: 68,921.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,861.17 : 181,264.41 = 45,954.61 : x
  2. Step 2: Convert to fraction form
    120,861.17/181,264.41 = 45,954.61/x
  3. Step 3: Cross multiply
    120,861.17x = 181,264.41 × 45,954.61
  4. Step 4: Simplify right side
    120,861.17x = 8,329,935,268.43
  5. Step 5: Solve for x
    x = 8,329,935,268.43/120,861.17
  6. Step 6: Final answer
    x = 68,921.52

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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.