Home / 204,162.12-281,749.50-123,604.20

Finding the Fourth Proportional to 204,162.12, 281,749.50 and 123,604.20

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Solution

The fourth proportional to 204,162.12, 281,749.50 and 123,604.20 is: 170,577.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,162.12 : 281,749.50 = 123,604.20 : x
  2. Step 2: Convert to fraction form
    204,162.12/281,749.50 = 123,604.20/x
  3. Step 3: Cross multiply
    204,162.12x = 281,749.50 × 123,604.20
  4. Step 4: Simplify right side
    204,162.12x = 34,825,421,547.90
  5. Step 5: Solve for x
    x = 34,825,421,547.90/204,162.12
  6. Step 6: Final answer
    x = 170,577.29

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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.