Home / 547,174.04-820,720.08-192,191.20

Finding the Fourth Proportional to 547,174.04, 820,720.08 and 192,191.20

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Solution

The fourth proportional to 547,174.04, 820,720.08 and 192,191.20 is: 288,272.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,174.04 : 820,720.08 = 192,191.20 : x
  2. Step 2: Convert to fraction form
    547,174.04/820,720.08 = 192,191.20/x
  3. Step 3: Cross multiply
    547,174.04x = 820,720.08 × 192,191.20
  4. Step 4: Simplify right side
    547,174.04x = 157,735,177,039.30
  5. Step 5: Solve for x
    x = 157,735,177,039.30/547,174.04
  6. Step 6: Final answer
    x = 288,272.41

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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.