Home / 161,282.97-222,557.89-89,658.63

Finding the Fourth Proportional to 161,282.97, 222,557.89 and 89,658.63

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Solution

The fourth proportional to 161,282.97, 222,557.89 and 89,658.63 is: 123,721.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,282.97 : 222,557.89 = 89,658.63 : x
  2. Step 2: Convert to fraction form
    161,282.97/222,557.89 = 89,658.63/x
  3. Step 3: Cross multiply
    161,282.97x = 222,557.89 × 89,658.63
  4. Step 4: Simplify right side
    161,282.97x = 19,954,235,513.09
  5. Step 5: Solve for x
    x = 19,954,235,513.09/161,282.97
  6. Step 6: Final answer
    x = 123,721.90

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1.5x scale

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.