Home / 173,948.30-261,008.85-68,770.70

Finding the Fourth Proportional to 173,948.30, 261,008.85 and 68,770.70

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Solution

The fourth proportional to 173,948.30, 261,008.85 and 68,770.70 is: 103,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,948.30 : 261,008.85 = 68,770.70 : x
  2. Step 2: Convert to fraction form
    173,948.30/261,008.85 = 68,770.70/x
  3. Step 3: Cross multiply
    173,948.30x = 261,008.85 × 68,770.70
  4. Step 4: Simplify right side
    173,948.30x = 17,949,761,320.70
  5. Step 5: Solve for x
    x = 17,949,761,320.70/173,948.30
  6. Step 6: Final answer
    x = 103,190.21

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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.