Home / 161,857.45-223,504.32-101,531.79

Finding the Fourth Proportional to 161,857.45, 223,504.32 and 101,531.79

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Solution

The fourth proportional to 161,857.45, 223,504.32 and 101,531.79 is: 140,202.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,857.45 : 223,504.32 = 101,531.79 : x
  2. Step 2: Convert to fraction form
    161,857.45/223,504.32 = 101,531.79/x
  3. Step 3: Cross multiply
    161,857.45x = 223,504.32 × 101,531.79
  4. Step 4: Simplify right side
    161,857.45x = 22,692,792,869.74
  5. Step 5: Solve for x
    x = 22,692,792,869.74/161,857.45
  6. Step 6: Final answer
    x = 140,202.34

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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.