Home / 100,556.18-150,698.19-38,192.66

Finding the Fourth Proportional to 100,556.18, 150,698.19 and 38,192.66

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Solution

The fourth proportional to 100,556.18, 150,698.19 and 38,192.66 is: 57,237.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,556.18 : 150,698.19 = 38,192.66 : x
  2. Step 2: Convert to fraction form
    100,556.18/150,698.19 = 38,192.66/x
  3. Step 3: Cross multiply
    100,556.18x = 150,698.19 × 38,192.66
  4. Step 4: Simplify right side
    100,556.18x = 5,755,564,733.29
  5. Step 5: Solve for x
    x = 5,755,564,733.29/100,556.18
  6. Step 6: Final answer
    x = 57,237.30

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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.