Home / 290,286.23-400,524.89-169,358.49

Finding the Fourth Proportional to 290,286.23, 400,524.89 and 169,358.49

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Solution

The fourth proportional to 290,286.23, 400,524.89 and 169,358.49 is: 233,673.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,286.23 : 400,524.89 = 169,358.49 : x
  2. Step 2: Convert to fraction form
    290,286.23/400,524.89 = 169,358.49/x
  3. Step 3: Cross multiply
    290,286.23x = 400,524.89 × 169,358.49
  4. Step 4: Simplify right side
    290,286.23x = 67,832,289,731.02
  5. Step 5: Solve for x
    x = 67,832,289,731.02/290,286.23
  6. Step 6: Final answer
    x = 233,673.82

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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.