Home / 193,448.49-266,519.78-149,690.58

Finding the Fourth Proportional to 193,448.49, 266,519.78 and 149,690.58

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Solution

The fourth proportional to 193,448.49, 266,519.78 and 149,690.58 is: 206,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,448.49 : 266,519.78 = 149,690.58 : x
  2. Step 2: Convert to fraction form
    193,448.49/266,519.78 = 149,690.58/x
  3. Step 3: Cross multiply
    193,448.49x = 266,519.78 × 149,690.58
  4. Step 4: Simplify right side
    193,448.49x = 39,895,500,972.79
  5. Step 5: Solve for x
    x = 39,895,500,972.79/193,448.49
  6. Step 6: Final answer
    x = 206,233.20

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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.