Home / 269,548.20-403,739.10-144,743.40

Finding the Fourth Proportional to 269,548.20, 403,739.10 and 144,743.40

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Solution

The fourth proportional to 269,548.20, 403,739.10 and 144,743.40 is: 216,801.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,548.20 : 403,739.10 = 144,743.40 : x
  2. Step 2: Convert to fraction form
    269,548.20/403,739.10 = 144,743.40/x
  3. Step 3: Cross multiply
    269,548.20x = 403,739.10 × 144,743.40
  4. Step 4: Simplify right side
    269,548.20x = 58,438,570,046.94
  5. Step 5: Solve for x
    x = 58,438,570,046.94/269,548.20
  6. Step 6: Final answer
    x = 216,801.93

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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.