Home / 226,234.74-312,169.20-130,722.90

Finding the Fourth Proportional to 226,234.74, 312,169.20 and 130,722.90

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Solution

The fourth proportional to 226,234.74, 312,169.20 and 130,722.90 is: 180,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,234.74 : 312,169.20 = 130,722.90 : x
  2. Step 2: Convert to fraction form
    226,234.74/312,169.20 = 130,722.90/x
  3. Step 3: Cross multiply
    226,234.74x = 312,169.20 × 130,722.90
  4. Step 4: Simplify right side
    226,234.74x = 40,807,663,114.68
  5. Step 5: Solve for x
    x = 40,807,663,114.68/226,234.74
  6. Step 6: Final answer
    x = 180,377.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.