Home / 161,400.62-242,100.95-43,072.38

Finding the Fourth Proportional to 161,400.62, 242,100.95 and 43,072.38

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Solution

The fourth proportional to 161,400.62, 242,100.95 and 43,072.38 is: 64,608.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,400.62 : 242,100.95 = 43,072.38 : x
  2. Step 2: Convert to fraction form
    161,400.62/242,100.95 = 43,072.38/x
  3. Step 3: Cross multiply
    161,400.62x = 242,100.95 × 43,072.38
  4. Step 4: Simplify right side
    161,400.62x = 10,427,864,116.76
  5. Step 5: Solve for x
    x = 10,427,864,116.76/161,400.62
  6. Step 6: Final answer
    x = 64,608.58

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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.