Home / 164,717.21-227,309.73-89,265.71

Finding the Fourth Proportional to 164,717.21, 227,309.73 and 89,265.71

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Solution

The fourth proportional to 164,717.21, 227,309.73 and 89,265.71 is: 123,186.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,717.21 : 227,309.73 = 89,265.71 : x
  2. Step 2: Convert to fraction form
    164,717.21/227,309.73 = 89,265.71/x
  3. Step 3: Cross multiply
    164,717.21x = 227,309.73 × 89,265.71
  4. Step 4: Simplify right side
    164,717.21x = 20,290,964,438.36
  5. Step 5: Solve for x
    x = 20,290,964,438.36/164,717.21
  6. Step 6: Final answer
    x = 123,186.67

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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.