Home / 269,220.77-403,816.57-82,217.69

Finding the Fourth Proportional to 269,220.77, 403,816.57 and 82,217.69

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Solution

The fourth proportional to 269,220.77, 403,816.57 and 82,217.69 is: 123,322.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,220.77 : 403,816.57 = 82,217.69 : x
  2. Step 2: Convert to fraction form
    269,220.77/403,816.57 = 82,217.69/x
  3. Step 3: Cross multiply
    269,220.77x = 403,816.57 × 82,217.69
  4. Step 4: Simplify right side
    269,220.77x = 33,200,865,569.12
  5. Step 5: Solve for x
    x = 33,200,865,569.12/269,220.77
  6. Step 6: Final answer
    x = 123,322.08

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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.