Home / 161,069.47-222,278.88-89,456.20

Finding the Fourth Proportional to 161,069.47, 222,278.88 and 89,456.20

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Solution

The fourth proportional to 161,069.47, 222,278.88 and 89,456.20 is: 123,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,069.47 : 222,278.88 = 89,456.20 : x
  2. Step 2: Convert to fraction form
    161,069.47/222,278.88 = 89,456.20/x
  3. Step 3: Cross multiply
    161,069.47x = 222,278.88 × 89,456.20
  4. Step 4: Simplify right side
    161,069.47x = 19,884,223,945.06
  5. Step 5: Solve for x
    x = 19,884,223,945.06/161,069.47
  6. Step 6: Final answer
    x = 123,451.23

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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.