Home / 161,589.60-222,868.26-143,459.46

Finding the Fourth Proportional to 161,589.60, 222,868.26 and 143,459.46

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Solution

The fourth proportional to 161,589.60, 222,868.26 and 143,459.46 is: 197,862.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,589.60 : 222,868.26 = 143,459.46 : x
  2. Step 2: Convert to fraction form
    161,589.60/222,868.26 = 143,459.46/x
  3. Step 3: Cross multiply
    161,589.60x = 222,868.26 × 143,459.46
  4. Step 4: Simplify right side
    161,589.60x = 31,972,560,230.74
  5. Step 5: Solve for x
    x = 31,972,560,230.74/161,589.60
  6. Step 6: Final answer
    x = 197,862.74

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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.