Home / 161,857.32-223,504.14-101,531.66

Finding the Fourth Proportional to 161,857.32, 223,504.14 and 101,531.66

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Solution

The fourth proportional to 161,857.32, 223,504.14 and 101,531.66 is: 140,202.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,857.32 : 223,504.14 = 101,531.66 : x
  2. Step 2: Convert to fraction form
    161,857.32/223,504.14 = 101,531.66/x
  3. Step 3: Cross multiply
    161,857.32x = 223,504.14 × 101,531.66
  4. Step 4: Simplify right side
    161,857.32x = 22,692,747,290.58
  5. Step 5: Solve for x
    x = 22,692,747,290.58/161,857.32
  6. Step 6: Final answer
    x = 140,202.17

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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.