Home / 160,954.66-222,115.80-89,335.30

Finding the Fourth Proportional to 160,954.66, 222,115.80 and 89,335.30

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Solution

The fourth proportional to 160,954.66, 222,115.80 and 89,335.30 is: 123,281.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,954.66 : 222,115.80 = 89,335.30 : x
  2. Step 2: Convert to fraction form
    160,954.66/222,115.80 = 89,335.30/x
  3. Step 3: Cross multiply
    160,954.66x = 222,115.80 × 89,335.30
  4. Step 4: Simplify right side
    160,954.66x = 19,842,781,627.74
  5. Step 5: Solve for x
    x = 19,842,781,627.74/160,954.66
  6. Step 6: Final answer
    x = 123,281.81

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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.