Home / 277,115.50-382,419.39-201,727.18

Finding the Fourth Proportional to 277,115.50, 382,419.39 and 201,727.18

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Solution

The fourth proportional to 277,115.50, 382,419.39 and 201,727.18 is: 278,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,115.50 : 382,419.39 = 201,727.18 : x
  2. Step 2: Convert to fraction form
    277,115.50/382,419.39 = 201,727.18/x
  3. Step 3: Cross multiply
    277,115.50x = 382,419.39 × 201,727.18
  4. Step 4: Simplify right side
    277,115.50x = 77,144,385,122.02
  5. Step 5: Solve for x
    x = 77,144,385,122.02/277,115.50
  6. Step 6: Final answer
    x = 278,383.51

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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.