Home / 161,770.34-242,656.10-49,450.12

Finding the Fourth Proportional to 161,770.34, 242,656.10 and 49,450.12

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Solution

The fourth proportional to 161,770.34, 242,656.10 and 49,450.12 is: 74,175.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,770.34 : 242,656.10 = 49,450.12 : x
  2. Step 2: Convert to fraction form
    161,770.34/242,656.10 = 49,450.12/x
  3. Step 3: Cross multiply
    161,770.34x = 242,656.10 × 49,450.12
  4. Step 4: Simplify right side
    161,770.34x = 11,999,373,263.73
  5. Step 5: Solve for x
    x = 11,999,373,263.73/161,770.34
  6. Step 6: Final answer
    x = 74,175.36

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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.