Home / 193,740.40-290,658.60-88,537.20

Finding the Fourth Proportional to 193,740.40, 290,658.60 and 88,537.20

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Solution

The fourth proportional to 193,740.40, 290,658.60 and 88,537.20 is: 132,827.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,740.40 : 290,658.60 = 88,537.20 : x
  2. Step 2: Convert to fraction form
    193,740.40/290,658.60 = 88,537.20/x
  3. Step 3: Cross multiply
    193,740.40x = 290,658.60 × 88,537.20
  4. Step 4: Simplify right side
    193,740.40x = 25,734,098,599.92
  5. Step 5: Solve for x
    x = 25,734,098,599.92/193,740.40
  6. Step 6: Final answer
    x = 132,827.74

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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.