Home / 193,540.55-290,344.86-88,370.15

Finding the Fourth Proportional to 193,540.55, 290,344.86 and 88,370.15

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Solution

The fourth proportional to 193,540.55, 290,344.86 and 88,370.15 is: 132,570.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,540.55 : 290,344.86 = 88,370.15 : x
  2. Step 2: Convert to fraction form
    193,540.55/290,344.86 = 88,370.15/x
  3. Step 3: Cross multiply
    193,540.55x = 290,344.86 × 88,370.15
  4. Step 4: Simplify right side
    193,540.55x = 25,657,817,378.20
  5. Step 5: Solve for x
    x = 25,657,817,378.20/193,540.55
  6. Step 6: Final answer
    x = 132,570.76

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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.