Home / 161,072.76-222,285.50-96,520.73

Finding the Fourth Proportional to 161,072.76, 222,285.50 and 96,520.73

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Solution

The fourth proportional to 161,072.76, 222,285.50 and 96,520.73 is: 133,201.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.76 : 222,285.50 = 96,520.73 : x
  2. Step 2: Convert to fraction form
    161,072.76/222,285.50 = 96,520.73/x
  3. Step 3: Cross multiply
    161,072.76x = 222,285.50 × 96,520.73
  4. Step 4: Simplify right side
    161,072.76x = 21,455,157,496.34
  5. Step 5: Solve for x
    x = 21,455,157,496.34/161,072.76
  6. Step 6: Final answer
    x = 133,201.65

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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.