Home / 161,111.20-222,344.08-97,451.68

Finding the Fourth Proportional to 161,111.20, 222,344.08 and 97,451.68

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Solution

The fourth proportional to 161,111.20, 222,344.08 and 97,451.68 is: 134,489.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,111.20 : 222,344.08 = 97,451.68 : x
  2. Step 2: Convert to fraction form
    161,111.20/222,344.08 = 97,451.68/x
  3. Step 3: Cross multiply
    161,111.20x = 222,344.08 × 97,451.68
  4. Step 4: Simplify right side
    161,111.20x = 21,667,804,134.05
  5. Step 5: Solve for x
    x = 21,667,804,134.05/161,111.20
  6. Step 6: Final answer
    x = 134,489.74

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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.