Home / 165,155.06-227,912.73-89,704.10

Finding the Fourth Proportional to 165,155.06, 227,912.73 and 89,704.10

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Solution

The fourth proportional to 165,155.06, 227,912.73 and 89,704.10 is: 123,790.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,155.06 : 227,912.73 = 89,704.10 : x
  2. Step 2: Convert to fraction form
    165,155.06/227,912.73 = 89,704.10/x
  3. Step 3: Cross multiply
    165,155.06x = 227,912.73 × 89,704.10
  4. Step 4: Simplify right side
    165,155.06x = 20,444,706,323.19
  5. Step 5: Solve for x
    x = 20,444,706,323.19/165,155.06
  6. Step 6: Final answer
    x = 123,790.98

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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.