Home / 269,780.90-404,671.35-92,272.10

Finding the Fourth Proportional to 269,780.90, 404,671.35 and 92,272.10

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Solution

The fourth proportional to 269,780.90, 404,671.35 and 92,272.10 is: 138,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,780.90 : 404,671.35 = 92,272.10 : x
  2. Step 2: Convert to fraction form
    269,780.90/404,671.35 = 92,272.10/x
  3. Step 3: Cross multiply
    269,780.90x = 404,671.35 × 92,272.10
  4. Step 4: Simplify right side
    269,780.90x = 37,339,875,274.34
  5. Step 5: Solve for x
    x = 37,339,875,274.34/269,780.90
  6. Step 6: Final answer
    x = 138,408.15

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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.