Home / 200,136.30-276,147.27-115,280.70

Finding the Fourth Proportional to 200,136.30, 276,147.27 and 115,280.70

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Solution

The fourth proportional to 200,136.30, 276,147.27 and 115,280.70 is: 159,063.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,136.30 : 276,147.27 = 115,280.70 : x
  2. Step 2: Convert to fraction form
    200,136.30/276,147.27 = 115,280.70/x
  3. Step 3: Cross multiply
    200,136.30x = 276,147.27 × 115,280.70
  4. Step 4: Simplify right side
    200,136.30x = 31,834,450,588.69
  5. Step 5: Solve for x
    x = 31,834,450,588.69/200,136.30
  6. Step 6: Final answer
    x = 159,063.85

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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.