Home / 148,439.20-222,658.80-98,575.60

Finding the Fourth Proportional to 148,439.20, 222,658.80 and 98,575.60

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Solution

The fourth proportional to 148,439.20, 222,658.80 and 98,575.60 is: 147,863.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,439.20 : 222,658.80 = 98,575.60 : x
  2. Step 2: Convert to fraction form
    148,439.20/222,658.80 = 98,575.60/x
  3. Step 3: Cross multiply
    148,439.20x = 222,658.80 × 98,575.60
  4. Step 4: Simplify right side
    148,439.20x = 21,948,724,805.28
  5. Step 5: Solve for x
    x = 21,948,724,805.28/148,439.20
  6. Step 6: Final answer
    x = 147,863.40

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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.