Home / 148,342.40-222,535.20-48,478.40

Finding the Fourth Proportional to 148,342.40, 222,535.20 and 48,478.40

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Solution

The fourth proportional to 148,342.40, 222,535.20 and 48,478.40 is: 72,724.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,342.40 : 222,535.20 = 48,478.40 : x
  2. Step 2: Convert to fraction form
    148,342.40/222,535.20 = 48,478.40/x
  3. Step 3: Cross multiply
    148,342.40x = 222,535.20 × 48,478.40
  4. Step 4: Simplify right side
    148,342.40x = 10,788,150,439.68
  5. Step 5: Solve for x
    x = 10,788,150,439.68/148,342.40
  6. Step 6: Final answer
    x = 72,724.66

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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.