Home / 200,174.07-276,340.17-115,274.73

Finding the Fourth Proportional to 200,174.07, 276,340.17 and 115,274.73

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Solution

The fourth proportional to 200,174.07, 276,340.17 and 115,274.73 is: 159,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,174.07 : 276,340.17 = 115,274.73 : x
  2. Step 2: Convert to fraction form
    200,174.07/276,340.17 = 115,274.73/x
  3. Step 3: Cross multiply
    200,174.07x = 276,340.17 × 115,274.73
  4. Step 4: Simplify right side
    200,174.07x = 31,855,038,484.90
  5. Step 5: Solve for x
    x = 31,855,038,484.90/200,174.07
  6. Step 6: Final answer
    x = 159,136.69

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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.