Home / 200,297.17-276,597.45-128,801.41

Finding the Fourth Proportional to 200,297.17, 276,597.45 and 128,801.41

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Solution

The fourth proportional to 200,297.17, 276,597.45 and 128,801.41 is: 177,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,297.17 : 276,597.45 = 128,801.41 : x
  2. Step 2: Convert to fraction form
    200,297.17/276,597.45 = 128,801.41/x
  3. Step 3: Cross multiply
    200,297.17x = 276,597.45 × 128,801.41
  4. Step 4: Simplify right side
    200,297.17x = 35,626,140,179.42
  5. Step 5: Solve for x
    x = 35,626,140,179.42/200,297.17
  6. Step 6: Final answer
    x = 177,866.42

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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.