Home / 112,234.40-167,865.60-100,473.20

Finding the Fourth Proportional to 112,234.40, 167,865.60 and 100,473.20

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Solution

The fourth proportional to 112,234.40, 167,865.60 and 100,473.20 is: 150,274.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,234.40 : 167,865.60 = 100,473.20 : x
  2. Step 2: Convert to fraction form
    112,234.40/167,865.60 = 100,473.20/x
  3. Step 3: Cross multiply
    112,234.40x = 167,865.60 × 100,473.20
  4. Step 4: Simplify right side
    112,234.40x = 16,865,994,001.92
  5. Step 5: Solve for x
    x = 16,865,994,001.92/112,234.40
  6. Step 6: Final answer
    x = 150,274.73

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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.