Home / 164,213.28-226,614.39-88,761.78

Finding the Fourth Proportional to 164,213.28, 226,614.39 and 88,761.78

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Solution

The fourth proportional to 164,213.28, 226,614.39 and 88,761.78 is: 122,491.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,213.28 : 226,614.39 = 88,761.78 : x
  2. Step 2: Convert to fraction form
    164,213.28/226,614.39 = 88,761.78/x
  3. Step 3: Cross multiply
    164,213.28x = 226,614.39 × 88,761.78
  4. Step 4: Simplify right side
    164,213.28x = 20,114,696,630.01
  5. Step 5: Solve for x
    x = 20,114,696,630.01/164,213.28
  6. Step 6: Final answer
    x = 122,491.29

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1.5x scale

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.