Home / 148,276.80-222,415.20-54,770.40

Finding the Fourth Proportional to 148,276.80, 222,415.20 and 54,770.40

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Solution

The fourth proportional to 148,276.80, 222,415.20 and 54,770.40 is: 82,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,276.80 : 222,415.20 = 54,770.40 : x
  2. Step 2: Convert to fraction form
    148,276.80/222,415.20 = 54,770.40/x
  3. Step 3: Cross multiply
    148,276.80x = 222,415.20 × 54,770.40
  4. Step 4: Simplify right side
    148,276.80x = 12,181,769,470.08
  5. Step 5: Solve for x
    x = 12,181,769,470.08/148,276.80
  6. Step 6: Final answer
    x = 82,155.60

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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.