Home / 100,194.75-150,302.09-37,031.43

Finding the Fourth Proportional to 100,194.75, 150,302.09 and 37,031.43

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Solution

The fourth proportional to 100,194.75, 150,302.09 and 37,031.43 is: 55,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,194.75 : 150,302.09 = 37,031.43 : x
  2. Step 2: Convert to fraction form
    100,194.75/150,302.09 = 37,031.43/x
  3. Step 3: Cross multiply
    100,194.75x = 150,302.09 × 37,031.43
  4. Step 4: Simplify right side
    100,194.75x = 5,565,901,139.53
  5. Step 5: Solve for x
    x = 5,565,901,139.53/100,194.75
  6. Step 6: Final answer
    x = 55,550.83

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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.