Home / 151,249.40-226,895.70-51,414.20

Finding the Fourth Proportional to 151,249.40, 226,895.70 and 51,414.20

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Solution

The fourth proportional to 151,249.40, 226,895.70 and 51,414.20 is: 77,128.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,249.40 : 226,895.70 = 51,414.20 : x
  2. Step 2: Convert to fraction form
    151,249.40/226,895.70 = 51,414.20/x
  3. Step 3: Cross multiply
    151,249.40x = 226,895.70 × 51,414.20
  4. Step 4: Simplify right side
    151,249.40x = 11,665,660,898.94
  5. Step 5: Solve for x
    x = 11,665,660,898.94/151,249.40
  6. Step 6: Final answer
    x = 77,128.64

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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.