Home / 161,853.48-242,780.22-68,360.04

Finding the Fourth Proportional to 161,853.48, 242,780.22 and 68,360.04

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Solution

The fourth proportional to 161,853.48, 242,780.22 and 68,360.04 is: 102,540.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,853.48 : 242,780.22 = 68,360.04 : x
  2. Step 2: Convert to fraction form
    161,853.48/242,780.22 = 68,360.04/x
  3. Step 3: Cross multiply
    161,853.48x = 242,780.22 × 68,360.04
  4. Step 4: Simplify right side
    161,853.48x = 16,596,465,550.41
  5. Step 5: Solve for x
    x = 16,596,465,550.41/161,853.48
  6. Step 6: Final answer
    x = 102,540.06

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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.