Home / 161,358.66-222,685.74-89,751.42

Finding the Fourth Proportional to 161,358.66, 222,685.74 and 89,751.42

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Solution

The fourth proportional to 161,358.66, 222,685.74 and 89,751.42 is: 123,862.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,358.66 : 222,685.74 = 89,751.42 : x
  2. Step 2: Convert to fraction form
    161,358.66/222,685.74 = 89,751.42/x
  3. Step 3: Cross multiply
    161,358.66x = 222,685.74 × 89,751.42
  4. Step 4: Simplify right side
    161,358.66x = 19,986,361,378.75
  5. Step 5: Solve for x
    x = 19,986,361,378.75/161,358.66
  6. Step 6: Final answer
    x = 123,862.96

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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.