Home / 226,948.84-340,423.26-86,721.64

Finding the Fourth Proportional to 226,948.84, 340,423.26 and 86,721.64

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Solution

The fourth proportional to 226,948.84, 340,423.26 and 86,721.64 is: 130,082.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,948.84 : 340,423.26 = 86,721.64 : x
  2. Step 2: Convert to fraction form
    226,948.84/340,423.26 = 86,721.64/x
  3. Step 3: Cross multiply
    226,948.84x = 340,423.26 × 86,721.64
  4. Step 4: Simplify right side
    226,948.84x = 29,522,063,401.35
  5. Step 5: Solve for x
    x = 29,522,063,401.35/226,948.84
  6. Step 6: Final answer
    x = 130,082.46

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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.