Home / 148,320.20-222,431.70-54,813.80

Finding the Fourth Proportional to 148,320.20, 222,431.70 and 54,813.80

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Solution

The fourth proportional to 148,320.20, 222,431.70 and 54,813.80 is: 82,202.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,320.20 : 222,431.70 = 54,813.80 : x
  2. Step 2: Convert to fraction form
    148,320.20/222,431.70 = 54,813.80/x
  3. Step 3: Cross multiply
    148,320.20x = 222,431.70 × 54,813.80
  4. Step 4: Simplify right side
    148,320.20x = 12,192,326,717.46
  5. Step 5: Solve for x
    x = 12,192,326,717.46/148,320.20
  6. Step 6: Final answer
    x = 82,202.74

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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.