Home / 193,734.40-290,649.60-88,531.20

Finding the Fourth Proportional to 193,734.40, 290,649.60 and 88,531.20

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Solution

The fourth proportional to 193,734.40, 290,649.60 and 88,531.20 is: 132,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,734.40 : 290,649.60 = 88,531.20 : x
  2. Step 2: Convert to fraction form
    193,734.40/290,649.60 = 88,531.20/x
  3. Step 3: Cross multiply
    193,734.40x = 290,649.60 × 88,531.20
  4. Step 4: Simplify right side
    193,734.40x = 25,731,557,867.52
  5. Step 5: Solve for x
    x = 25,731,557,867.52/193,734.40
  6. Step 6: Final answer
    x = 132,818.73

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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.