Home / 511,171.57-766,895.41-156,175.91

Finding the Fourth Proportional to 511,171.57, 766,895.41 and 156,175.91

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Solution

The fourth proportional to 511,171.57, 766,895.41 and 156,175.91 is: 234,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,171.57 : 766,895.41 = 156,175.91 : x
  2. Step 2: Convert to fraction form
    511,171.57/766,895.41 = 156,175.91/x
  3. Step 3: Cross multiply
    511,171.57x = 766,895.41 × 156,175.91
  4. Step 4: Simplify right side
    511,171.57x = 119,770,588,531.57
  5. Step 5: Solve for x
    x = 119,770,588,531.57/511,171.57
  6. Step 6: Final answer
    x = 234,306.04

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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.