Home / 150,700.08-207,962-82,716.96

Finding the Fourth Proportional to 150,700.08, 207,962 and 82,716.96

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Solution

The fourth proportional to 150,700.08, 207,962 and 82,716.96 is: 114,147.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,700.08 : 207,962 = 82,716.96 : x
  2. Step 2: Convert to fraction form
    150,700.08/207,962 = 82,716.96/x
  3. Step 3: Cross multiply
    150,700.08x = 207,962 × 82,716.96
  4. Step 4: Simplify right side
    150,700.08x = 17,201,984,435.52
  5. Step 5: Solve for x
    x = 17,201,984,435.52/150,700.08
  6. Step 6: Final answer
    x = 114,147.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.