Home / 148,158.12-222,272.55-48,318.40

Finding the Fourth Proportional to 148,158.12, 222,272.55 and 48,318.40

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Solution

The fourth proportional to 148,158.12, 222,272.55 and 48,318.40 is: 72,489.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,158.12 : 222,272.55 = 48,318.40 : x
  2. Step 2: Convert to fraction form
    148,158.12/222,272.55 = 48,318.40/x
  3. Step 3: Cross multiply
    148,158.12x = 222,272.55 × 48,318.40
  4. Step 4: Simplify right side
    148,158.12x = 10,739,853,979.92
  5. Step 5: Solve for x
    x = 10,739,853,979.92/148,158.12
  6. Step 6: Final answer
    x = 72,489.14

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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.