Home / 160,625.18-240,919.53-42,305.78

Finding the Fourth Proportional to 160,625.18, 240,919.53 and 42,305.78

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Solution

The fourth proportional to 160,625.18, 240,919.53 and 42,305.78 is: 63,453.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,625.18 : 240,919.53 = 42,305.78 : x
  2. Step 2: Convert to fraction form
    160,625.18/240,919.53 = 42,305.78/x
  3. Step 3: Cross multiply
    160,625.18x = 240,919.53 × 42,305.78
  4. Step 4: Simplify right side
    160,625.18x = 10,192,288,633.88
  5. Step 5: Solve for x
    x = 10,192,288,633.88/160,625.18
  6. Step 6: Final answer
    x = 63,453.87

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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.