Home / 175,211.10-262,908.45-80,469.90

Finding the Fourth Proportional to 175,211.10, 262,908.45 and 80,469.90

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Solution

The fourth proportional to 175,211.10, 262,908.45 and 80,469.90 is: 120,747.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,211.10 : 262,908.45 = 80,469.90 : x
  2. Step 2: Convert to fraction form
    175,211.10/262,908.45 = 80,469.90/x
  3. Step 3: Cross multiply
    175,211.10x = 262,908.45 × 80,469.90
  4. Step 4: Simplify right side
    175,211.10x = 21,156,216,680.66
  5. Step 5: Solve for x
    x = 21,156,216,680.66/175,211.10
  6. Step 6: Final answer
    x = 120,747.01

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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.