Home / 165,760.09-248,638.30-99,218.79

Finding the Fourth Proportional to 165,760.09, 248,638.30 and 99,218.79

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Solution

The fourth proportional to 165,760.09, 248,638.30 and 99,218.79 is: 148,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,760.09 : 248,638.30 = 99,218.79 : x
  2. Step 2: Convert to fraction form
    165,760.09/248,638.30 = 99,218.79/x
  3. Step 3: Cross multiply
    165,760.09x = 248,638.30 × 99,218.79
  4. Step 4: Simplify right side
    165,760.09x = 24,669,591,025.61
  5. Step 5: Solve for x
    x = 24,669,591,025.61/165,760.09
  6. Step 6: Final answer
    x = 148,827.09

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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.