Home / 161,112.57-222,335.25-89,499.26

Finding the Fourth Proportional to 161,112.57, 222,335.25 and 89,499.26

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Solution

The fourth proportional to 161,112.57, 222,335.25 and 89,499.26 is: 123,508.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,112.57 : 222,335.25 = 89,499.26 : x
  2. Step 2: Convert to fraction form
    161,112.57/222,335.25 = 89,499.26/x
  3. Step 3: Cross multiply
    161,112.57x = 222,335.25 × 89,499.26
  4. Step 4: Simplify right side
    161,112.57x = 19,898,839,235.24
  5. Step 5: Solve for x
    x = 19,898,839,235.24/161,112.57
  6. Step 6: Final answer
    x = 123,508.92

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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.