Home / 226,289.63-339,478.15-86,037.35

Finding the Fourth Proportional to 226,289.63, 339,478.15 and 86,037.35

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Solution

The fourth proportional to 226,289.63, 339,478.15 and 86,037.35 is: 129,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,289.63 : 339,478.15 = 86,037.35 : x
  2. Step 2: Convert to fraction form
    226,289.63/339,478.15 = 86,037.35/x
  3. Step 3: Cross multiply
    226,289.63x = 339,478.15 × 86,037.35
  4. Step 4: Simplify right side
    226,289.63x = 29,207,798,496.42
  5. Step 5: Solve for x
    x = 29,207,798,496.42/226,289.63
  6. Step 6: Final answer
    x = 129,072.64

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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.