Home / 372,002.72-513,367.41-202,240.49

Finding the Fourth Proportional to 372,002.72, 513,367.41 and 202,240.49

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Solution

The fourth proportional to 372,002.72, 513,367.41 and 202,240.49 is: 279,093.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,002.72 : 513,367.41 = 202,240.49 : x
  2. Step 2: Convert to fraction form
    372,002.72/513,367.41 = 202,240.49/x
  3. Step 3: Cross multiply
    372,002.72x = 513,367.41 × 202,240.49
  4. Step 4: Simplify right side
    372,002.72x = 103,823,673,981.59
  5. Step 5: Solve for x
    x = 103,823,673,981.59/372,002.72
  6. Step 6: Final answer
    x = 279,093.86

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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.