Home / 368,122.20-552,076.56-143,432.52

Finding the Fourth Proportional to 368,122.20, 552,076.56 and 143,432.52

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Solution

The fourth proportional to 368,122.20, 552,076.56 and 143,432.52 is: 215,107.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,122.20 : 552,076.56 = 143,432.52 : x
  2. Step 2: Convert to fraction form
    368,122.20/552,076.56 = 143,432.52/x
  3. Step 3: Cross multiply
    368,122.20x = 552,076.56 × 143,432.52
  4. Step 4: Simplify right side
    368,122.20x = 79,185,732,233.73
  5. Step 5: Solve for x
    x = 79,185,732,233.73/368,122.20
  6. Step 6: Final answer
    x = 215,107.19

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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.