Home / 100,832.20-151,248.30-48,344.20

Finding the Fourth Proportional to 100,832.20, 151,248.30 and 48,344.20

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Solution

The fourth proportional to 100,832.20, 151,248.30 and 48,344.20 is: 72,516.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,832.20 : 151,248.30 = 48,344.20 : x
  2. Step 2: Convert to fraction form
    100,832.20/151,248.30 = 48,344.20/x
  3. Step 3: Cross multiply
    100,832.20x = 151,248.30 × 48,344.20
  4. Step 4: Simplify right side
    100,832.20x = 7,311,978,064.86
  5. Step 5: Solve for x
    x = 7,311,978,064.86/100,832.20
  6. Step 6: Final answer
    x = 72,516.30

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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.