Home / 269,126.20-403,203.30-156,714.40

Finding the Fourth Proportional to 269,126.20, 403,203.30 and 156,714.40

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Solution

The fourth proportional to 269,126.20, 403,203.30 and 156,714.40 is: 234,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,126.20 : 403,203.30 = 156,714.40 : x
  2. Step 2: Convert to fraction form
    269,126.20/403,203.30 = 156,714.40/x
  3. Step 3: Cross multiply
    269,126.20x = 403,203.30 × 156,714.40
  4. Step 4: Simplify right side
    269,126.20x = 63,187,763,237.52
  5. Step 5: Solve for x
    x = 63,187,763,237.52/269,126.20
  6. Step 6: Final answer
    x = 234,788.60

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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.