Home / 226,290.09-339,435.11-57,810.78

Finding the Fourth Proportional to 226,290.09, 339,435.11 and 57,810.78

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Solution

The fourth proportional to 226,290.09, 339,435.11 and 57,810.78 is: 86,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,290.09 : 339,435.11 = 57,810.78 : x
  2. Step 2: Convert to fraction form
    226,290.09/339,435.11 = 57,810.78/x
  3. Step 3: Cross multiply
    226,290.09x = 339,435.11 × 57,810.78
  4. Step 4: Simplify right side
    226,290.09x = 19,623,008,468.49
  5. Step 5: Solve for x
    x = 19,623,008,468.49/226,290.09
  6. Step 6: Final answer
    x = 86,716.16

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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.