Home / 206,949.24-285,589.67-120,967.34

Finding the Fourth Proportional to 206,949.24, 285,589.67 and 120,967.34

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Solution

The fourth proportional to 206,949.24, 285,589.67 and 120,967.34 is: 166,934.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,949.24 : 285,589.67 = 120,967.34 : x
  2. Step 2: Convert to fraction form
    206,949.24/285,589.67 = 120,967.34/x
  3. Step 3: Cross multiply
    206,949.24x = 285,589.67 × 120,967.34
  4. Step 4: Simplify right side
    206,949.24x = 34,547,020,678.59
  5. Step 5: Solve for x
    x = 34,547,020,678.59/206,949.24
  6. Step 6: Final answer
    x = 166,934.76

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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.