Home / 226,344.07-339,431.31-66,386.89

Finding the Fourth Proportional to 226,344.07, 339,431.31 and 66,386.89

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Solution

The fourth proportional to 226,344.07, 339,431.31 and 66,386.89 is: 99,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,344.07 : 339,431.31 = 66,386.89 : x
  2. Step 2: Convert to fraction form
    226,344.07/339,431.31 = 66,386.89/x
  3. Step 3: Cross multiply
    226,344.07x = 339,431.31 × 66,386.89
  4. Step 4: Simplify right side
    226,344.07x = 22,533,789,039.53
  5. Step 5: Solve for x
    x = 22,533,789,039.53/226,344.07
  6. Step 6: Final answer
    x = 99,555.46

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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.