Home / 164,622.78-227,179.44-89,171.28

Finding the Fourth Proportional to 164,622.78, 227,179.44 and 89,171.28

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Solution

The fourth proportional to 164,622.78, 227,179.44 and 89,171.28 is: 123,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,622.78 : 227,179.44 = 89,171.28 : x
  2. Step 2: Convert to fraction form
    164,622.78/227,179.44 = 89,171.28/x
  3. Step 3: Cross multiply
    164,622.78x = 227,179.44 × 89,171.28
  4. Step 4: Simplify right side
    164,622.78x = 20,257,881,454.48
  5. Step 5: Solve for x
    x = 20,257,881,454.48/164,622.78
  6. Step 6: Final answer
    x = 123,056.37

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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.