Home / 161,542.58-222,997.68-115,005.44

Finding the Fourth Proportional to 161,542.58, 222,997.68 and 115,005.44

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Solution

The fourth proportional to 161,542.58, 222,997.68 and 115,005.44 is: 158,756.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.58 : 222,997.68 = 115,005.44 : x
  2. Step 2: Convert to fraction form
    161,542.58/222,997.68 = 115,005.44/x
  3. Step 3: Cross multiply
    161,542.58x = 222,997.68 × 115,005.44
  4. Step 4: Simplify right side
    161,542.58x = 25,645,946,307.38
  5. Step 5: Solve for x
    x = 25,645,946,307.38/161,542.58
  6. Step 6: Final answer
    x = 158,756.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.