Home / 161,884.25-242,768.04-68,397.29

Finding the Fourth Proportional to 161,884.25, 242,768.04 and 68,397.29

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Solution

The fourth proportional to 161,884.25, 242,768.04 and 68,397.29 is: 102,571.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,884.25 : 242,768.04 = 68,397.29 : x
  2. Step 2: Convert to fraction form
    161,884.25/242,768.04 = 68,397.29/x
  3. Step 3: Cross multiply
    161,884.25x = 242,768.04 × 68,397.29
  4. Step 4: Simplify right side
    161,884.25x = 16,604,674,820.77
  5. Step 5: Solve for x
    x = 16,604,674,820.77/161,884.25
  6. Step 6: Final answer
    x = 102,571.28

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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.