Home / 165,600.72-247,638.06-122,986.62

Finding the Fourth Proportional to 165,600.72, 247,638.06 and 122,986.62

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Solution

The fourth proportional to 165,600.72, 247,638.06 and 122,986.62 is: 183,913.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,600.72 : 247,638.06 = 122,986.62 : x
  2. Step 2: Convert to fraction form
    165,600.72/247,638.06 = 122,986.62/x
  3. Step 3: Cross multiply
    165,600.72x = 247,638.06 × 122,986.62
  4. Step 4: Simplify right side
    165,600.72x = 30,456,167,982.76
  5. Step 5: Solve for x
    x = 30,456,167,982.76/165,600.72
  6. Step 6: Final answer
    x = 183,913.26

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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.