Home / 141,844.20-212,766.30-127,069.80

Finding the Fourth Proportional to 141,844.20, 212,766.30 and 127,069.80

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Solution

The fourth proportional to 141,844.20, 212,766.30 and 127,069.80 is: 190,604.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,844.20 : 212,766.30 = 127,069.80 : x
  2. Step 2: Convert to fraction form
    141,844.20/212,766.30 = 127,069.80/x
  3. Step 3: Cross multiply
    141,844.20x = 212,766.30 × 127,069.80
  4. Step 4: Simplify right side
    141,844.20x = 27,036,171,187.74
  5. Step 5: Solve for x
    x = 27,036,171,187.74/141,844.20
  6. Step 6: Final answer
    x = 190,604.70

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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.