Home / 175,035.30-262,250.55-81,348.90

Finding the Fourth Proportional to 175,035.30, 262,250.55 and 81,348.90

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Solution

The fourth proportional to 175,035.30, 262,250.55 and 81,348.90 is: 121,882.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,035.30 : 262,250.55 = 81,348.90 : x
  2. Step 2: Convert to fraction form
    175,035.30/262,250.55 = 81,348.90/x
  3. Step 3: Cross multiply
    175,035.30x = 262,250.55 × 81,348.90
  4. Step 4: Simplify right side
    175,035.30x = 21,333,793,766.90
  5. Step 5: Solve for x
    x = 21,333,793,766.90/175,035.30
  6. Step 6: Final answer
    x = 121,882.81

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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.