Home / 150,330.69-207,447.49-82,334.13

Finding the Fourth Proportional to 150,330.69, 207,447.49 and 82,334.13

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Solution

The fourth proportional to 150,330.69, 207,447.49 and 82,334.13 is: 113,616.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,330.69 : 207,447.49 = 82,334.13 : x
  2. Step 2: Convert to fraction form
    150,330.69/207,447.49 = 82,334.13/x
  3. Step 3: Cross multiply
    150,330.69x = 207,447.49 × 82,334.13
  4. Step 4: Simplify right side
    150,330.69x = 17,080,008,609.83
  5. Step 5: Solve for x
    x = 17,080,008,609.83/150,330.69
  6. Step 6: Final answer
    x = 113,616.25

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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.