Home / 315,013.20-472,519.80-182,152.95

Finding the Fourth Proportional to 315,013.20, 472,519.80 and 182,152.95

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Solution

The fourth proportional to 315,013.20, 472,519.80 and 182,152.95 is: 273,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,013.20 : 472,519.80 = 182,152.95 : x
  2. Step 2: Convert to fraction form
    315,013.20/472,519.80 = 182,152.95/x
  3. Step 3: Cross multiply
    315,013.20x = 472,519.80 × 182,152.95
  4. Step 4: Simplify right side
    315,013.20x = 86,070,875,503.41
  5. Step 5: Solve for x
    x = 86,070,875,503.41/315,013.20
  6. Step 6: Final answer
    x = 273,229.43

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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.