Home / 372,280.76-513,747.06-202,514.48

Finding the Fourth Proportional to 372,280.76, 513,747.06 and 202,514.48

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Solution

The fourth proportional to 372,280.76, 513,747.06 and 202,514.48 is: 279,469.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,280.76 : 513,747.06 = 202,514.48 : x
  2. Step 2: Convert to fraction form
    372,280.76/513,747.06 = 202,514.48/x
  3. Step 3: Cross multiply
    372,280.76x = 513,747.06 × 202,514.48
  4. Step 4: Simplify right side
    372,280.76x = 104,041,218,707.43
  5. Step 5: Solve for x
    x = 104,041,218,707.43/372,280.76
  6. Step 6: Final answer
    x = 279,469.77

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1.5x scale

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.