Home / 201,400.04-277,933.82-109,519.62

Finding the Fourth Proportional to 201,400.04, 277,933.82 and 109,519.62

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Solution

The fourth proportional to 201,400.04, 277,933.82 and 109,519.62 is: 151,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,400.04 : 277,933.82 = 109,519.62 : x
  2. Step 2: Convert to fraction form
    201,400.04/277,933.82 = 109,519.62/x
  3. Step 3: Cross multiply
    201,400.04x = 277,933.82 × 109,519.62
  4. Step 4: Simplify right side
    201,400.04x = 30,439,206,351.55
  5. Step 5: Solve for x
    x = 30,439,206,351.55/201,400.04
  6. Step 6: Final answer
    x = 151,138.04

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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.