Home / 137,240.07-205,823.07-48,481.89

Finding the Fourth Proportional to 137,240.07, 205,823.07 and 48,481.89

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Solution

The fourth proportional to 137,240.07, 205,823.07 and 48,481.89 is: 72,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,240.07 : 205,823.07 = 48,481.89 : x
  2. Step 2: Convert to fraction form
    137,240.07/205,823.07 = 48,481.89/x
  3. Step 3: Cross multiply
    137,240.07x = 205,823.07 × 48,481.89
  4. Step 4: Simplify right side
    137,240.07x = 9,978,691,439.20
  5. Step 5: Solve for x
    x = 9,978,691,439.20/137,240.07
  6. Step 6: Final answer
    x = 72,709.75

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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.