Home / 193,723.76-290,176.68-88,631.12

Finding the Fourth Proportional to 193,723.76, 290,176.68 and 88,631.12

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Solution

The fourth proportional to 193,723.76, 290,176.68 and 88,631.12 is: 132,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,723.76 : 290,176.68 = 88,631.12 : x
  2. Step 2: Convert to fraction form
    193,723.76/290,176.68 = 88,631.12/x
  3. Step 3: Cross multiply
    193,723.76x = 290,176.68 × 88,631.12
  4. Step 4: Simplify right side
    193,723.76x = 25,718,684,146.28
  5. Step 5: Solve for x
    x = 25,718,684,146.28/193,723.76
  6. Step 6: Final answer
    x = 132,759.58

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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.