Home / 269,441.20-404,161.80-92,148.40

Finding the Fourth Proportional to 269,441.20, 404,161.80 and 92,148.40

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Solution

The fourth proportional to 269,441.20, 404,161.80 and 92,148.40 is: 138,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,441.20 : 404,161.80 = 92,148.40 : x
  2. Step 2: Convert to fraction form
    269,441.20/404,161.80 = 92,148.40/x
  3. Step 3: Cross multiply
    269,441.20x = 404,161.80 × 92,148.40
  4. Step 4: Simplify right side
    269,441.20x = 37,242,863,211.12
  5. Step 5: Solve for x
    x = 37,242,863,211.12/269,441.20
  6. Step 6: Final answer
    x = 138,222.60

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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.