Home / 269,376.76-403,977.66-127,200.04

Finding the Fourth Proportional to 269,376.76, 403,977.66 and 127,200.04

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Solution

The fourth proportional to 269,376.76, 403,977.66 and 127,200.04 is: 190,758.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,376.76 : 403,977.66 = 127,200.04 : x
  2. Step 2: Convert to fraction form
    269,376.76/403,977.66 = 127,200.04/x
  3. Step 3: Cross multiply
    269,376.76x = 403,977.66 × 127,200.04
  4. Step 4: Simplify right side
    269,376.76x = 51,385,974,511.11
  5. Step 5: Solve for x
    x = 51,385,974,511.11/269,376.76
  6. Step 6: Final answer
    x = 190,758.75

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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.