Home / 230,764.88-318,332.08-159,180.32

Finding the Fourth Proportional to 230,764.88, 318,332.08 and 159,180.32

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Solution

The fourth proportional to 230,764.88, 318,332.08 and 159,180.32 is: 219,583.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,764.88 : 318,332.08 = 159,180.32 : x
  2. Step 2: Convert to fraction form
    230,764.88/318,332.08 = 159,180.32/x
  3. Step 3: Cross multiply
    230,764.88x = 318,332.08 × 159,180.32
  4. Step 4: Simplify right side
    230,764.88x = 50,672,202,360.67
  5. Step 5: Solve for x
    x = 50,672,202,360.67/230,764.88
  6. Step 6: Final answer
    x = 219,583.68

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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.