Home / 547,144.04-821,082.62-192,159.40

Finding the Fourth Proportional to 547,144.04, 821,082.62 and 192,159.40

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Solution

The fourth proportional to 547,144.04, 821,082.62 and 192,159.40 is: 288,367.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,144.04 : 821,082.62 = 192,159.40 : x
  2. Step 2: Convert to fraction form
    547,144.04/821,082.62 = 192,159.40/x
  3. Step 3: Cross multiply
    547,144.04x = 821,082.62 × 192,159.40
  4. Step 4: Simplify right side
    547,144.04x = 157,778,743,609.63
  5. Step 5: Solve for x
    x = 157,778,743,609.63/547,144.04
  6. Step 6: Final answer
    x = 288,367.84

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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.