Home / 161,072.97-222,283.71-89,459.70

Finding the Fourth Proportional to 161,072.97, 222,283.71 and 89,459.70

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Solution

The fourth proportional to 161,072.97, 222,283.71 and 89,459.70 is: 123,456.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.97 : 222,283.71 = 89,459.70 : x
  2. Step 2: Convert to fraction form
    161,072.97/222,283.71 = 89,459.70/x
  3. Step 3: Cross multiply
    161,072.97x = 222,283.71 × 89,459.70
  4. Step 4: Simplify right side
    161,072.97x = 19,885,434,011.49
  5. Step 5: Solve for x
    x = 19,885,434,011.49/161,072.97
  6. Step 6: Final answer
    x = 123,456.06

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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.