Home / 268,002.10-402,003.15-162,853.30

Finding the Fourth Proportional to 268,002.10, 402,003.15 and 162,853.30

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Solution

The fourth proportional to 268,002.10, 402,003.15 and 162,853.30 is: 244,279.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,002.10 : 402,003.15 = 162,853.30 : x
  2. Step 2: Convert to fraction form
    268,002.10/402,003.15 = 162,853.30/x
  3. Step 3: Cross multiply
    268,002.10x = 402,003.15 × 162,853.30
  4. Step 4: Simplify right side
    268,002.10x = 65,467,539,587.90
  5. Step 5: Solve for x
    x = 65,467,539,587.90/268,002.10
  6. Step 6: Final answer
    x = 244,279.95

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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.