Home / 164,705.28-227,293.41-89,253.78

Finding the Fourth Proportional to 164,705.28, 227,293.41 and 89,253.78

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Solution

The fourth proportional to 164,705.28, 227,293.41 and 89,253.78 is: 123,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,705.28 : 227,293.41 = 89,253.78 : x
  2. Step 2: Convert to fraction form
    164,705.28/227,293.41 = 89,253.78/x
  3. Step 3: Cross multiply
    164,705.28x = 227,293.41 × 89,253.78
  4. Step 4: Simplify right side
    164,705.28x = 20,286,796,011.59
  5. Step 5: Solve for x
    x = 20,286,796,011.59/164,705.28
  6. Step 6: Final answer
    x = 123,170.28

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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.