Home / 144,822.20-217,233.30-127,311.80

Finding the Fourth Proportional to 144,822.20, 217,233.30 and 127,311.80

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Solution

The fourth proportional to 144,822.20, 217,233.30 and 127,311.80 is: 190,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,822.20 : 217,233.30 = 127,311.80 : x
  2. Step 2: Convert to fraction form
    144,822.20/217,233.30 = 127,311.80/x
  3. Step 3: Cross multiply
    144,822.20x = 217,233.30 × 127,311.80
  4. Step 4: Simplify right side
    144,822.20x = 27,656,362,442.94
  5. Step 5: Solve for x
    x = 27,656,362,442.94/144,822.20
  6. Step 6: Final answer
    x = 190,967.70

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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.