Home / 204,019.60-281,500.92-123,445.12

Finding the Fourth Proportional to 204,019.60, 281,500.92 and 123,445.12

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Solution

The fourth proportional to 204,019.60, 281,500.92 and 123,445.12 is: 170,326.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,019.60 : 281,500.92 = 123,445.12 : x
  2. Step 2: Convert to fraction form
    204,019.60/281,500.92 = 123,445.12/x
  3. Step 3: Cross multiply
    204,019.60x = 281,500.92 × 123,445.12
  4. Step 4: Simplify right side
    204,019.60x = 34,749,914,849.51
  5. Step 5: Solve for x
    x = 34,749,914,849.51/204,019.60
  6. Step 6: Final answer
    x = 170,326.36

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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.