Home / 314,827.20-472,380.39-165,031.74

Finding the Fourth Proportional to 314,827.20, 472,380.39 and 165,031.74

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Solution

The fourth proportional to 314,827.20, 472,380.39 and 165,031.74 is: 247,620.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,827.20 : 472,380.39 = 165,031.74 : x
  2. Step 2: Convert to fraction form
    314,827.20/472,380.39 = 165,031.74/x
  3. Step 3: Cross multiply
    314,827.20x = 472,380.39 × 165,031.74
  4. Step 4: Simplify right side
    314,827.20x = 77,957,757,703.58
  5. Step 5: Solve for x
    x = 77,957,757,703.58/314,827.20
  6. Step 6: Final answer
    x = 247,620.78

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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.