Home / 161,718.20-242,588.10-55,100.60

Finding the Fourth Proportional to 161,718.20, 242,588.10 and 55,100.60

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Solution

The fourth proportional to 161,718.20, 242,588.10 and 55,100.60 is: 82,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,718.20 : 242,588.10 = 55,100.60 : x
  2. Step 2: Convert to fraction form
    161,718.20/242,588.10 = 55,100.60/x
  3. Step 3: Cross multiply
    161,718.20x = 242,588.10 × 55,100.60
  4. Step 4: Simplify right side
    161,718.20x = 13,366,749,862.86
  5. Step 5: Solve for x
    x = 13,366,749,862.86/161,718.20
  6. Step 6: Final answer
    x = 82,654.58

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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.