Home / 120,876.66-181,334.43-50,776.02

Finding the Fourth Proportional to 120,876.66, 181,334.43 and 50,776.02

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Solution

The fourth proportional to 120,876.66, 181,334.43 and 50,776.02 is: 76,172.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,876.66 : 181,334.43 = 50,776.02 : x
  2. Step 2: Convert to fraction form
    120,876.66/181,334.43 = 50,776.02/x
  3. Step 3: Cross multiply
    120,876.66x = 181,334.43 × 50,776.02
  4. Step 4: Simplify right side
    120,876.66x = 9,207,440,644.37
  5. Step 5: Solve for x
    x = 9,207,440,644.37/120,876.66
  6. Step 6: Final answer
    x = 76,172.20

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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.