Home / 290,151.92-400,306.98-189,608.24

Finding the Fourth Proportional to 290,151.92, 400,306.98 and 189,608.24

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Solution

The fourth proportional to 290,151.92, 400,306.98 and 189,608.24 is: 261,592.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,151.92 : 400,306.98 = 189,608.24 : x
  2. Step 2: Convert to fraction form
    290,151.92/400,306.98 = 189,608.24/x
  3. Step 3: Cross multiply
    290,151.92x = 400,306.98 × 189,608.24
  4. Step 4: Simplify right side
    290,151.92x = 75,901,501,937.52
  5. Step 5: Solve for x
    x = 75,901,501,937.52/290,151.92
  6. Step 6: Final answer
    x = 261,592.28

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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.