Home / 120,876.14-181,129.52-50,717.18

Finding the Fourth Proportional to 120,876.14, 181,129.52 and 50,717.18

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Solution

The fourth proportional to 120,876.14, 181,129.52 and 50,717.18 is: 75,998.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,876.14 : 181,129.52 = 50,717.18 : x
  2. Step 2: Convert to fraction form
    120,876.14/181,129.52 = 50,717.18/x
  3. Step 3: Cross multiply
    120,876.14x = 181,129.52 × 50,717.18
  4. Step 4: Simplify right side
    120,876.14x = 9,186,378,469.15
  5. Step 5: Solve for x
    x = 9,186,378,469.15/120,876.14
  6. Step 6: Final answer
    x = 75,998.28

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1.5x scale

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.