Home / 161,540.19-222,920.51-89,918.37

Finding the Fourth Proportional to 161,540.19, 222,920.51 and 89,918.37

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Solution

The fourth proportional to 161,540.19, 222,920.51 and 89,918.37 is: 124,084.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,540.19 : 222,920.51 = 89,918.37 : x
  2. Step 2: Convert to fraction form
    161,540.19/222,920.51 = 89,918.37/x
  3. Step 3: Cross multiply
    161,540.19x = 222,920.51 × 89,918.37
  4. Step 4: Simplify right side
    161,540.19x = 20,044,648,449.18
  5. Step 5: Solve for x
    x = 20,044,648,449.18/161,540.19
  6. Step 6: Final answer
    x = 124,084.59

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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.