Home / 211,006.53-291,324.78-188,306.49

Finding the Fourth Proportional to 211,006.53, 291,324.78 and 188,306.49

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Solution

The fourth proportional to 211,006.53, 291,324.78 and 188,306.49 is: 259,984.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,006.53 : 291,324.78 = 188,306.49 : x
  2. Step 2: Convert to fraction form
    211,006.53/291,324.78 = 188,306.49/x
  3. Step 3: Cross multiply
    211,006.53x = 291,324.78 × 188,306.49
  4. Step 4: Simplify right side
    211,006.53x = 54,858,346,771.82
  5. Step 5: Solve for x
    x = 54,858,346,771.82/211,006.53
  6. Step 6: Final answer
    x = 259,984.12

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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.