Home / 164,768.24-227,381.64-89,316.72

Finding the Fourth Proportional to 164,768.24, 227,381.64 and 89,316.72

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Solution

The fourth proportional to 164,768.24, 227,381.64 and 89,316.72 is: 123,257.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,768.24 : 227,381.64 = 89,316.72 : x
  2. Step 2: Convert to fraction form
    164,768.24/227,381.64 = 89,316.72/x
  3. Step 3: Cross multiply
    164,768.24x = 227,381.64 × 89,316.72
  4. Step 4: Simplify right side
    164,768.24x = 20,308,982,273.02
  5. Step 5: Solve for x
    x = 20,308,982,273.02/164,768.24
  6. Step 6: Final answer
    x = 123,257.87

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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.