Home / 226,522.18-339,784.35-68,752

Finding the Fourth Proportional to 226,522.18, 339,784.35 and 68,752

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Solution

The fourth proportional to 226,522.18, 339,784.35 and 68,752 is: 103,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,522.18 : 339,784.35 = 68,752 : x
  2. Step 2: Convert to fraction form
    226,522.18/339,784.35 = 68,752/x
  3. Step 3: Cross multiply
    226,522.18x = 339,784.35 × 68,752
  4. Step 4: Simplify right side
    226,522.18x = 23,360,853,631.20
  5. Step 5: Solve for x
    x = 23,360,853,631.20/226,522.18
  6. Step 6: Final answer
    x = 103,128.33

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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.