Home / 160,965.20-222,134.40-89,349.80

Finding the Fourth Proportional to 160,965.20, 222,134.40 and 89,349.80

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Solution

The fourth proportional to 160,965.20, 222,134.40 and 89,349.80 is: 123,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,965.20 : 222,134.40 = 89,349.80 : x
  2. Step 2: Convert to fraction form
    160,965.20/222,134.40 = 89,349.80/x
  3. Step 3: Cross multiply
    160,965.20x = 222,134.40 × 89,349.80
  4. Step 4: Simplify right side
    160,965.20x = 19,847,664,213.12
  5. Step 5: Solve for x
    x = 19,847,664,213.12/160,965.20
  6. Step 6: Final answer
    x = 123,304.07

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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.