Home / 200,393.27-276,730.04-128,897.41

Finding the Fourth Proportional to 200,393.27, 276,730.04 and 128,897.41

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Solution

The fourth proportional to 200,393.27, 276,730.04 and 128,897.41 is: 177,998.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,393.27 : 276,730.04 = 128,897.41 : x
  2. Step 2: Convert to fraction form
    200,393.27/276,730.04 = 128,897.41/x
  3. Step 3: Cross multiply
    200,393.27x = 276,730.04 × 128,897.41
  4. Step 4: Simplify right side
    200,393.27x = 35,669,785,425.20
  5. Step 5: Solve for x
    x = 35,669,785,425.20/200,393.27
  6. Step 6: Final answer
    x = 177,998.92

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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.