Home / 226,386.12-339,342.46-126,399.72

Finding the Fourth Proportional to 226,386.12, 339,342.46 and 126,399.72

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Solution

The fourth proportional to 226,386.12, 339,342.46 and 126,399.72 is: 189,467.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,386.12 : 339,342.46 = 126,399.72 : x
  2. Step 2: Convert to fraction form
    226,386.12/339,342.46 = 126,399.72/x
  3. Step 3: Cross multiply
    226,386.12x = 339,342.46 × 126,399.72
  4. Step 4: Simplify right side
    226,386.12x = 42,892,791,928.11
  5. Step 5: Solve for x
    x = 42,892,791,928.11/226,386.12
  6. Step 6: Final answer
    x = 189,467.41

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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.