Home / 161,150.76-222,316.50-107,383.32

Finding the Fourth Proportional to 161,150.76, 222,316.50 and 107,383.32

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Solution

The fourth proportional to 161,150.76, 222,316.50 and 107,383.32 is: 148,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,150.76 : 222,316.50 = 107,383.32 : x
  2. Step 2: Convert to fraction form
    161,150.76/222,316.50 = 107,383.32/x
  3. Step 3: Cross multiply
    161,150.76x = 222,316.50 × 107,383.32
  4. Step 4: Simplify right side
    161,150.76x = 23,873,083,860.78
  5. Step 5: Solve for x
    x = 23,873,083,860.78/161,150.76
  6. Step 6: Final answer
    x = 148,141.30

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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.