Home / 161,286.16-222,589.09-88,701.84

Finding the Fourth Proportional to 161,286.16, 222,589.09 and 88,701.84

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Solution

The fourth proportional to 161,286.16, 222,589.09 and 88,701.84 is: 122,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,286.16 : 222,589.09 = 88,701.84 : x
  2. Step 2: Convert to fraction form
    161,286.16/222,589.09 = 88,701.84/x
  3. Step 3: Cross multiply
    161,286.16x = 222,589.09 × 88,701.84
  4. Step 4: Simplify right side
    161,286.16x = 19,744,061,959.89
  5. Step 5: Solve for x
    x = 19,744,061,959.89/161,286.16
  6. Step 6: Final answer
    x = 122,416.34

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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.