Home / 100,328.28-150,504.96-37,137.72

Finding the Fourth Proportional to 100,328.28, 150,504.96 and 37,137.72

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Solution

The fourth proportional to 100,328.28, 150,504.96 and 37,137.72 is: 55,711.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,328.28 : 150,504.96 = 37,137.72 : x
  2. Step 2: Convert to fraction form
    100,328.28/150,504.96 = 37,137.72/x
  3. Step 3: Cross multiply
    100,328.28x = 150,504.96 × 37,137.72
  4. Step 4: Simplify right side
    100,328.28x = 5,589,411,063.09
  5. Step 5: Solve for x
    x = 5,589,411,063.09/100,328.28
  6. Step 6: Final answer
    x = 55,711.22

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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.