Home / 161,171.73-222,345.45-107,404.38

Finding the Fourth Proportional to 161,171.73, 222,345.45 and 107,404.38

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Solution

The fourth proportional to 161,171.73, 222,345.45 and 107,404.38 is: 148,170.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,171.73 : 222,345.45 = 107,404.38 : x
  2. Step 2: Convert to fraction form
    161,171.73/222,345.45 = 107,404.38/x
  3. Step 3: Cross multiply
    161,171.73x = 222,345.45 × 107,404.38
  4. Step 4: Simplify right side
    161,171.73x = 23,880,875,203.07
  5. Step 5: Solve for x
    x = 23,880,875,203.07/161,171.73
  6. Step 6: Final answer
    x = 148,170.37

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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.