Home / 100,556.43-150,698.57-38,192.91

Finding the Fourth Proportional to 100,556.43, 150,698.57 and 38,192.91

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Solution

The fourth proportional to 100,556.43, 150,698.57 and 38,192.91 is: 57,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,556.43 : 150,698.57 = 38,192.91 : x
  2. Step 2: Convert to fraction form
    100,556.43/150,698.57 = 38,192.91/x
  3. Step 3: Cross multiply
    100,556.43x = 150,698.57 × 38,192.91
  4. Step 4: Simplify right side
    100,556.43x = 5,755,616,730.17
  5. Step 5: Solve for x
    x = 5,755,616,730.17/100,556.43
  6. Step 6: Final answer
    x = 57,237.68

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1.5x scale

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.