Home / 161,340.06-222,632.24-89,708.52

Finding the Fourth Proportional to 161,340.06, 222,632.24 and 89,708.52

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Solution

The fourth proportional to 161,340.06, 222,632.24 and 89,708.52 is: 123,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,340.06 : 222,632.24 = 89,708.52 : x
  2. Step 2: Convert to fraction form
    161,340.06/222,632.24 = 89,708.52/x
  3. Step 3: Cross multiply
    161,340.06x = 222,632.24 × 89,708.52
  4. Step 4: Simplify right side
    161,340.06x = 19,972,008,306.14
  5. Step 5: Solve for x
    x = 19,972,008,306.14/161,340.06
  6. Step 6: Final answer
    x = 123,788.28

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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.