Home / 161,005.12-222,193.23-88,414.06

Finding the Fourth Proportional to 161,005.12, 222,193.23 and 88,414.06

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Solution

The fourth proportional to 161,005.12, 222,193.23 and 88,414.06 is: 122,014.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,005.12 : 222,193.23 = 88,414.06 : x
  2. Step 2: Convert to fraction form
    161,005.12/222,193.23 = 88,414.06/x
  3. Step 3: Cross multiply
    161,005.12x = 222,193.23 × 88,414.06
  4. Step 4: Simplify right side
    161,005.12x = 19,645,005,568.81
  5. Step 5: Solve for x
    x = 19,645,005,568.81/161,005.12
  6. Step 6: Final answer
    x = 122,014.79

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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.