Home / 260,761.44-391,153.28-92,283.20

Finding the Fourth Proportional to 260,761.44, 391,153.28 and 92,283.20

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Solution

The fourth proportional to 260,761.44, 391,153.28 and 92,283.20 is: 138,428.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,761.44 : 391,153.28 = 92,283.20 : x
  2. Step 2: Convert to fraction form
    260,761.44/391,153.28 = 92,283.20/x
  3. Step 3: Cross multiply
    260,761.44x = 391,153.28 × 92,283.20
  4. Step 4: Simplify right side
    260,761.44x = 36,096,876,368.90
  5. Step 5: Solve for x
    x = 36,096,876,368.90/260,761.44
  6. Step 6: Final answer
    x = 138,428.74

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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.