Home / 100,558.43-150,701.56-38,194.91

Finding the Fourth Proportional to 100,558.43, 150,701.56 and 38,194.91

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Solution

The fourth proportional to 100,558.43, 150,701.56 and 38,194.91 is: 57,240.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,558.43 : 150,701.56 = 38,194.91 : x
  2. Step 2: Convert to fraction form
    100,558.43/150,701.56 = 38,194.91/x
  3. Step 3: Cross multiply
    100,558.43x = 150,701.56 × 38,194.91
  4. Step 4: Simplify right side
    100,558.43x = 5,756,032,521.06
  5. Step 5: Solve for x
    x = 5,756,032,521.06/100,558.43
  6. Step 6: Final answer
    x = 57,240.68

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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.