Home / 98,778.78-148,153.14-32,218.82

Finding the Fourth Proportional to 98,778.78, 148,153.14 and 32,218.82

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Solution

The fourth proportional to 98,778.78, 148,153.14 and 32,218.82 is: 48,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,778.78 : 148,153.14 = 32,218.82 : x
  2. Step 2: Convert to fraction form
    98,778.78/148,153.14 = 32,218.82/x
  3. Step 3: Cross multiply
    98,778.78x = 148,153.14 × 32,218.82
  4. Step 4: Simplify right side
    98,778.78x = 4,773,318,609.33
  5. Step 5: Solve for x
    x = 4,773,318,609.33/98,778.78
  6. Step 6: Final answer
    x = 48,323.32

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1.5x scale

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.