Home / 143,781.48-215,698.20-49,006.44

Finding the Fourth Proportional to 143,781.48, 215,698.20 and 49,006.44

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Solution

The fourth proportional to 143,781.48, 215,698.20 and 49,006.44 is: 73,518.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,781.48 : 215,698.20 = 49,006.44 : x
  2. Step 2: Convert to fraction form
    143,781.48/215,698.20 = 49,006.44/x
  3. Step 3: Cross multiply
    143,781.48x = 215,698.20 × 49,006.44
  4. Step 4: Simplify right side
    143,781.48x = 10,570,600,896.41
  5. Step 5: Solve for x
    x = 10,570,600,896.41/143,781.48
  6. Step 6: Final answer
    x = 73,518.52

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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.