Home / 100,336.33-150,507.80-37,172.40

Finding the Fourth Proportional to 100,336.33, 150,507.80 and 37,172.40

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Solution

The fourth proportional to 100,336.33, 150,507.80 and 37,172.40 is: 55,759.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,336.33 : 150,507.80 = 37,172.40 : x
  2. Step 2: Convert to fraction form
    100,336.33/150,507.80 = 37,172.40/x
  3. Step 3: Cross multiply
    100,336.33x = 150,507.80 × 37,172.40
  4. Step 4: Simplify right side
    100,336.33x = 5,594,736,144.72
  5. Step 5: Solve for x
    x = 5,594,736,144.72/100,336.33
  6. Step 6: Final answer
    x = 55,759.82

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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.