Home / 161,217.24-222,471.20-89,595.40

Finding the Fourth Proportional to 161,217.24, 222,471.20 and 89,595.40

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Solution

The fourth proportional to 161,217.24, 222,471.20 and 89,595.40 is: 123,636.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,217.24 : 222,471.20 = 89,595.40 : x
  2. Step 2: Convert to fraction form
    161,217.24/222,471.20 = 89,595.40/x
  3. Step 3: Cross multiply
    161,217.24x = 222,471.20 × 89,595.40
  4. Step 4: Simplify right side
    161,217.24x = 19,932,396,152.48
  5. Step 5: Solve for x
    x = 19,932,396,152.48/161,217.24
  6. Step 6: Final answer
    x = 123,636.88

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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.