Home / 164,513.22-227,028.30-89,061.72

Finding the Fourth Proportional to 164,513.22, 227,028.30 and 89,061.72

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Solution

The fourth proportional to 164,513.22, 227,028.30 and 89,061.72 is: 122,905.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,513.22 : 227,028.30 = 89,061.72 : x
  2. Step 2: Convert to fraction form
    164,513.22/227,028.30 = 89,061.72/x
  3. Step 3: Cross multiply
    164,513.22x = 227,028.30 × 89,061.72
  4. Step 4: Simplify right side
    164,513.22x = 20,219,530,886.68
  5. Step 5: Solve for x
    x = 20,219,530,886.68/164,513.22
  6. Step 6: Final answer
    x = 122,905.20

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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.