Home / 100,501.36-150,745.56-38,170.24

Finding the Fourth Proportional to 100,501.36, 150,745.56 and 38,170.24

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Solution

The fourth proportional to 100,501.36, 150,745.56 and 38,170.24 is: 57,252.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,501.36 : 150,745.56 = 38,170.24 : x
  2. Step 2: Convert to fraction form
    100,501.36/150,745.56 = 38,170.24/x
  3. Step 3: Cross multiply
    100,501.36x = 150,745.56 × 38,170.24
  4. Step 4: Simplify right side
    100,501.36x = 5,753,994,204.13
  5. Step 5: Solve for x
    x = 5,753,994,204.13/100,501.36
  6. Step 6: Final answer
    x = 57,252.90

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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.