Home / 137,218.20-205,827.30-114,667.80

Finding the Fourth Proportional to 137,218.20, 205,827.30 and 114,667.80

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Solution

The fourth proportional to 137,218.20, 205,827.30 and 114,667.80 is: 172,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,218.20 : 205,827.30 = 114,667.80 : x
  2. Step 2: Convert to fraction form
    137,218.20/205,827.30 = 114,667.80/x
  3. Step 3: Cross multiply
    137,218.20x = 205,827.30 × 114,667.80
  4. Step 4: Simplify right side
    137,218.20x = 23,601,763,670.94
  5. Step 5: Solve for x
    x = 23,601,763,670.94/137,218.20
  6. Step 6: Final answer
    x = 172,001.70

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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.