Home / 226,865.70-340,298.55-77,145.30

Finding the Fourth Proportional to 226,865.70, 340,298.55 and 77,145.30

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Solution

The fourth proportional to 226,865.70, 340,298.55 and 77,145.30 is: 115,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,865.70 : 340,298.55 = 77,145.30 : x
  2. Step 2: Convert to fraction form
    226,865.70/340,298.55 = 77,145.30/x
  3. Step 3: Cross multiply
    226,865.70x = 340,298.55 × 77,145.30
  4. Step 4: Simplify right side
    226,865.70x = 26,252,433,729.32
  5. Step 5: Solve for x
    x = 26,252,433,729.32/226,865.70
  6. Step 6: Final answer
    x = 115,717.95

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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.