Home / 220,701.48-331,054.14-54,490.92

Finding the Fourth Proportional to 220,701.48, 331,054.14 and 54,490.92

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Solution

The fourth proportional to 220,701.48, 331,054.14 and 54,490.92 is: 81,736.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,701.48 : 331,054.14 = 54,490.92 : x
  2. Step 2: Convert to fraction form
    220,701.48/331,054.14 = 54,490.92/x
  3. Step 3: Cross multiply
    220,701.48x = 331,054.14 × 54,490.92
  4. Step 4: Simplify right side
    220,701.48x = 18,039,444,658.41
  5. Step 5: Solve for x
    x = 18,039,444,658.41/220,701.48
  6. Step 6: Final answer
    x = 81,736.85

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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.