Home / 230,372.19-345,595.32-80,609.13

Finding the Fourth Proportional to 230,372.19, 345,595.32 and 80,609.13

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Solution

The fourth proportional to 230,372.19, 345,595.32 and 80,609.13 is: 120,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,372.19 : 345,595.32 = 80,609.13 : x
  2. Step 2: Convert to fraction form
    230,372.19/345,595.32 = 80,609.13/x
  3. Step 3: Cross multiply
    230,372.19x = 345,595.32 × 80,609.13
  4. Step 4: Simplify right side
    230,372.19x = 27,858,138,077.27
  5. Step 5: Solve for x
    x = 27,858,138,077.27/230,372.19
  6. Step 6: Final answer
    x = 120,926.65

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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.