Home / 100,172.30-150,334.61-37,052.12

Finding the Fourth Proportional to 100,172.30, 150,334.61 and 37,052.12

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Solution

The fourth proportional to 100,172.30, 150,334.61 and 37,052.12 is: 55,606.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,172.30 : 150,334.61 = 37,052.12 : x
  2. Step 2: Convert to fraction form
    100,172.30/150,334.61 = 37,052.12/x
  3. Step 3: Cross multiply
    100,172.30x = 150,334.61 × 37,052.12
  4. Step 4: Simplify right side
    100,172.30x = 5,570,216,200.45
  5. Step 5: Solve for x
    x = 5,570,216,200.45/100,172.30
  6. Step 6: Final answer
    x = 55,606.36

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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.