Home / 161,178.75-222,422.28-89,556.93

Finding the Fourth Proportional to 161,178.75, 222,422.28 and 89,556.93

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Solution

The fourth proportional to 161,178.75, 222,422.28 and 89,556.93 is: 123,586.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,178.75 : 222,422.28 = 89,556.93 : x
  2. Step 2: Convert to fraction form
    161,178.75/222,422.28 = 89,556.93/x
  3. Step 3: Cross multiply
    161,178.75x = 222,422.28 × 89,556.93
  4. Step 4: Simplify right side
    161,178.75x = 19,919,456,560.40
  5. Step 5: Solve for x
    x = 19,919,456,560.40/161,178.75
  6. Step 6: Final answer
    x = 123,586.12

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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.