Home / 201,126.20-301,667.70-53,382.20

Finding the Fourth Proportional to 201,126.20, 301,667.70 and 53,382.20

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Solution

The fourth proportional to 201,126.20, 301,667.70 and 53,382.20 is: 80,067.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,126.20 : 301,667.70 = 53,382.20 : x
  2. Step 2: Convert to fraction form
    201,126.20/301,667.70 = 53,382.20/x
  3. Step 3: Cross multiply
    201,126.20x = 301,667.70 × 53,382.20
  4. Step 4: Simplify right side
    201,126.20x = 16,103,685,494.94
  5. Step 5: Solve for x
    x = 16,103,685,494.94/201,126.20
  6. Step 6: Final answer
    x = 80,067.57

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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.