Home / 372,026.66-513,394.26-202,260.78

Finding the Fourth Proportional to 372,026.66, 513,394.26 and 202,260.78

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Solution

The fourth proportional to 372,026.66, 513,394.26 and 202,260.78 is: 279,118.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,026.66 : 513,394.26 = 202,260.78 : x
  2. Step 2: Convert to fraction form
    372,026.66/513,394.26 = 202,260.78/x
  3. Step 3: Cross multiply
    372,026.66x = 513,394.26 × 202,260.78
  4. Step 4: Simplify right side
    372,026.66x = 103,839,525,400.35
  5. Step 5: Solve for x
    x = 103,839,525,400.35/372,026.66
  6. Step 6: Final answer
    x = 279,118.51

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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.