Home / 547,175.04-820,721.58-192,192.20

Finding the Fourth Proportional to 547,175.04, 820,721.58 and 192,192.20

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Solution

The fourth proportional to 547,175.04, 820,721.58 and 192,192.20 is: 288,273.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,175.04 : 820,721.58 = 192,192.20 : x
  2. Step 2: Convert to fraction form
    547,175.04/820,721.58 = 192,192.20/x
  3. Step 3: Cross multiply
    547,175.04x = 820,721.58 × 192,192.20
  4. Step 4: Simplify right side
    547,175.04x = 157,736,286,047.68
  5. Step 5: Solve for x
    x = 157,736,286,047.68/547,175.04
  6. Step 6: Final answer
    x = 288,273.91

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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.