Home / 230,944.72-318,844.40-158,466.68

Finding the Fourth Proportional to 230,944.72, 318,844.40 and 158,466.68

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Solution

The fourth proportional to 230,944.72, 318,844.40 and 158,466.68 is: 218,780.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,944.72 : 318,844.40 = 158,466.68 : x
  2. Step 2: Convert to fraction form
    230,944.72/318,844.40 = 158,466.68/x
  3. Step 3: Cross multiply
    230,944.72x = 318,844.40 × 158,466.68
  4. Step 4: Simplify right side
    230,944.72x = 50,526,213,205.08
  5. Step 5: Solve for x
    x = 50,526,213,205.08/230,944.72
  6. Step 6: Final answer
    x = 218,780.55

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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.