Home / 201,186.27-301,778.24-51,426.36

Finding the Fourth Proportional to 201,186.27, 301,778.24 and 51,426.36

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Solution

The fourth proportional to 201,186.27, 301,778.24 and 51,426.36 is: 77,139.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,186.27 : 301,778.24 = 51,426.36 : x
  2. Step 2: Convert to fraction form
    201,186.27/301,778.24 = 51,426.36/x
  3. Step 3: Cross multiply
    201,186.27x = 301,778.24 × 51,426.36
  4. Step 4: Simplify right side
    201,186.27x = 15,519,356,153.27
  5. Step 5: Solve for x
    x = 15,519,356,153.27/201,186.27
  6. Step 6: Final answer
    x = 77,139.24

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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.