Home / 113,000.12-169,764.85-106,616.71

Finding the Fourth Proportional to 113,000.12, 169,764.85 and 106,616.71

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Solution

The fourth proportional to 113,000.12, 169,764.85 and 106,616.71 is: 160,174.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,000.12 : 169,764.85 = 106,616.71 : x
  2. Step 2: Convert to fraction form
    113,000.12/169,764.85 = 106,616.71/x
  3. Step 3: Cross multiply
    113,000.12x = 169,764.85 × 106,616.71
  4. Step 4: Simplify right side
    113,000.12x = 18,099,769,780.64
  5. Step 5: Solve for x
    x = 18,099,769,780.64/113,000.12
  6. Step 6: Final answer
    x = 160,174.78

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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.