Home / 161,333.97-222,641.07-89,712.46

Finding the Fourth Proportional to 161,333.97, 222,641.07 and 89,712.46

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Solution

The fourth proportional to 161,333.97, 222,641.07 and 89,712.46 is: 123,803.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.97 : 222,641.07 = 89,712.46 : x
  2. Step 2: Convert to fraction form
    161,333.97/222,641.07 = 89,712.46/x
  3. Step 3: Cross multiply
    161,333.97x = 222,641.07 × 89,712.46
  4. Step 4: Simplify right side
    161,333.97x = 19,973,678,086.73
  5. Step 5: Solve for x
    x = 19,973,678,086.73/161,333.97
  6. Step 6: Final answer
    x = 123,803.30

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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.