Home / 117,223.20-175,731.12-54,876.96

Finding the Fourth Proportional to 117,223.20, 175,731.12 and 54,876.96

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Solution

The fourth proportional to 117,223.20, 175,731.12 and 54,876.96 is: 82,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,223.20 : 175,731.12 = 54,876.96 : x
  2. Step 2: Convert to fraction form
    117,223.20/175,731.12 = 54,876.96/x
  3. Step 3: Cross multiply
    117,223.20x = 175,731.12 × 54,876.96
  4. Step 4: Simplify right side
    117,223.20x = 9,643,589,643.00
  5. Step 5: Solve for x
    x = 9,643,589,643.00/117,223.20
  6. Step 6: Final answer
    x = 82,266.90

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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.