Home / 200,635.24-276,930.66-125,138.92

Finding the Fourth Proportional to 200,635.24, 276,930.66 and 125,138.92

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Solution

The fourth proportional to 200,635.24, 276,930.66 and 125,138.92 is: 172,725.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,635.24 : 276,930.66 = 125,138.92 : x
  2. Step 2: Convert to fraction form
    200,635.24/276,930.66 = 125,138.92/x
  3. Step 3: Cross multiply
    200,635.24x = 276,930.66 × 125,138.92
  4. Step 4: Simplify right side
    200,635.24x = 34,654,803,707.29
  5. Step 5: Solve for x
    x = 34,654,803,707.29/200,635.24
  6. Step 6: Final answer
    x = 172,725.41

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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.