Home / 161,708.08-242,588.04-68,227.60

Finding the Fourth Proportional to 161,708.08, 242,588.04 and 68,227.60

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Solution

The fourth proportional to 161,708.08, 242,588.04 and 68,227.60 is: 102,352.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,708.08 : 242,588.04 = 68,227.60 : x
  2. Step 2: Convert to fraction form
    161,708.08/242,588.04 = 68,227.60/x
  3. Step 3: Cross multiply
    161,708.08x = 242,588.04 × 68,227.60
  4. Step 4: Simplify right side
    161,708.08x = 16,551,199,757.90
  5. Step 5: Solve for x
    x = 16,551,199,757.90/161,708.08
  6. Step 6: Final answer
    x = 102,352.34

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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.