Home / 116,939.92-175,173.06-91,862.54

Finding the Fourth Proportional to 116,939.92, 175,173.06 and 91,862.54

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Solution

The fourth proportional to 116,939.92, 175,173.06 and 91,862.54 is: 137,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,939.92 : 175,173.06 = 91,862.54 : x
  2. Step 2: Convert to fraction form
    116,939.92/175,173.06 = 91,862.54/x
  3. Step 3: Cross multiply
    116,939.92x = 175,173.06 × 91,862.54
  4. Step 4: Simplify right side
    116,939.92x = 16,091,842,901.93
  5. Step 5: Solve for x
    x = 16,091,842,901.93/116,939.92
  6. Step 6: Final answer
    x = 137,607.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.