Home / 200,455.52-276,563.53-136,682.60

Finding the Fourth Proportional to 200,455.52, 276,563.53 and 136,682.60

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Solution

The fourth proportional to 200,455.52, 276,563.53 and 136,682.60 is: 188,577.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,455.52 : 276,563.53 = 136,682.60 : x
  2. Step 2: Convert to fraction form
    200,455.52/276,563.53 = 136,682.60/x
  3. Step 3: Cross multiply
    200,455.52x = 276,563.53 × 136,682.60
  4. Step 4: Simplify right side
    200,455.52x = 37,801,422,345.58
  5. Step 5: Solve for x
    x = 37,801,422,345.58/200,455.52
  6. Step 6: Final answer
    x = 188,577.61

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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.