Home / 161,282.47-222,557.20-89,658.13

Finding the Fourth Proportional to 161,282.47, 222,557.20 and 89,658.13

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Solution

The fourth proportional to 161,282.47, 222,557.20 and 89,658.13 is: 123,721.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,282.47 : 222,557.20 = 89,658.13 : x
  2. Step 2: Convert to fraction form
    161,282.47/222,557.20 = 89,658.13/x
  3. Step 3: Cross multiply
    161,282.47x = 222,557.20 × 89,658.13
  4. Step 4: Simplify right side
    161,282.47x = 19,954,063,150.57
  5. Step 5: Solve for x
    x = 19,954,063,150.57/161,282.47
  6. Step 6: Final answer
    x = 123,721.21

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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.