Home / 214,726.74-321,957.82-72,558.58

Finding the Fourth Proportional to 214,726.74, 321,957.82 and 72,558.58

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Solution

The fourth proportional to 214,726.74, 321,957.82 and 72,558.58 is: 108,793.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,726.74 : 321,957.82 = 72,558.58 : x
  2. Step 2: Convert to fraction form
    214,726.74/321,957.82 = 72,558.58/x
  3. Step 3: Cross multiply
    214,726.74x = 321,957.82 × 72,558.58
  4. Step 4: Simplify right side
    214,726.74x = 23,360,802,239.10
  5. Step 5: Solve for x
    x = 23,360,802,239.10/214,726.74
  6. Step 6: Final answer
    x = 108,793.17

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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.