Home / 328,418.85-453,217.75-177,515.85

Finding the Fourth Proportional to 328,418.85, 453,217.75 and 177,515.85

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Solution

The fourth proportional to 328,418.85, 453,217.75 and 177,515.85 is: 244,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,418.85 : 453,217.75 = 177,515.85 : x
  2. Step 2: Convert to fraction form
    328,418.85/453,217.75 = 177,515.85/x
  3. Step 3: Cross multiply
    328,418.85x = 453,217.75 × 177,515.85
  4. Step 4: Simplify right side
    328,418.85x = 80,453,334,126.34
  5. Step 5: Solve for x
    x = 80,453,334,126.34/328,418.85
  6. Step 6: Final answer
    x = 244,971.73

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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.