Home / 143,351.41-215,860.51-106,175.29

Finding the Fourth Proportional to 143,351.41, 215,860.51 and 106,175.29

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Solution

The fourth proportional to 143,351.41, 215,860.51 and 106,175.29 is: 159,880.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,351.41 : 215,860.51 = 106,175.29 : x
  2. Step 2: Convert to fraction form
    143,351.41/215,860.51 = 106,175.29/x
  3. Step 3: Cross multiply
    143,351.41x = 215,860.51 × 106,175.29
  4. Step 4: Simplify right side
    143,351.41x = 22,919,052,248.80
  5. Step 5: Solve for x
    x = 22,919,052,248.80/143,351.41
  6. Step 6: Final answer
    x = 159,880.20

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.