Home / 548,143.38-822,224.16-193,161.69

Finding the Fourth Proportional to 548,143.38, 822,224.16 and 193,161.69

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Solution

The fourth proportional to 548,143.38, 822,224.16 and 193,161.69 is: 289,745.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,143.38 : 822,224.16 = 193,161.69 : x
  2. Step 2: Convert to fraction form
    548,143.38/822,224.16 = 193,161.69/x
  3. Step 3: Cross multiply
    548,143.38x = 822,224.16 × 193,161.69
  4. Step 4: Simplify right side
    548,143.38x = 158,822,208,304.43
  5. Step 5: Solve for x
    x = 158,822,208,304.43/548,143.38
  6. Step 6: Final answer
    x = 289,745.74

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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.