Home / 161,616.10-242,311.44-71,609.86

Finding the Fourth Proportional to 161,616.10, 242,311.44 and 71,609.86

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Solution

The fourth proportional to 161,616.10, 242,311.44 and 71,609.86 is: 107,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,616.10 : 242,311.44 = 71,609.86 : x
  2. Step 2: Convert to fraction form
    161,616.10/242,311.44 = 71,609.86/x
  3. Step 3: Cross multiply
    161,616.10x = 242,311.44 × 71,609.86
  4. Step 4: Simplify right side
    161,616.10x = 17,351,888,294.80
  5. Step 5: Solve for x
    x = 17,351,888,294.80/161,616.10
  6. Step 6: Final answer
    x = 107,364.85

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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.