Home / 327,572.23-491,358.19-90,914.84

Finding the Fourth Proportional to 327,572.23, 491,358.19 and 90,914.84

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Solution

The fourth proportional to 327,572.23, 491,358.19 and 90,914.84 is: 136,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,572.23 : 491,358.19 = 90,914.84 : x
  2. Step 2: Convert to fraction form
    327,572.23/491,358.19 = 90,914.84/x
  3. Step 3: Cross multiply
    327,572.23x = 491,358.19 × 90,914.84
  4. Step 4: Simplify right side
    327,572.23x = 44,671,751,226.54
  5. Step 5: Solve for x
    x = 44,671,751,226.54/327,572.23
  6. Step 6: Final answer
    x = 136,372.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.