Home / 206,733.35-309,903.17-66,393.56

Finding the Fourth Proportional to 206,733.35, 309,903.17 and 66,393.56

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Solution

The fourth proportional to 206,733.35, 309,903.17 and 66,393.56 is: 99,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,733.35 : 309,903.17 = 66,393.56 : x
  2. Step 2: Convert to fraction form
    206,733.35/309,903.17 = 66,393.56/x
  3. Step 3: Cross multiply
    206,733.35x = 309,903.17 × 66,393.56
  4. Step 4: Simplify right side
    206,733.35x = 20,575,575,154.38
  5. Step 5: Solve for x
    x = 20,575,575,154.38/206,733.35
  6. Step 6: Final answer
    x = 99,527.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.