Home / 163,898.37-226,165.97-100,223.87

Finding the Fourth Proportional to 163,898.37, 226,165.97 and 100,223.87

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Solution

The fourth proportional to 163,898.37, 226,165.97 and 100,223.87 is: 138,300.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,898.37 : 226,165.97 = 100,223.87 : x
  2. Step 2: Convert to fraction form
    163,898.37/226,165.97 = 100,223.87/x
  3. Step 3: Cross multiply
    163,898.37x = 226,165.97 × 100,223.87
  4. Step 4: Simplify right side
    163,898.37x = 22,667,227,895.43
  5. Step 5: Solve for x
    x = 22,667,227,895.43/163,898.37
  6. Step 6: Final answer
    x = 138,300.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.