Home / 200,330.26-276,455.78-109,686.24

Finding the Fourth Proportional to 200,330.26, 276,455.78 and 109,686.24

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Solution

The fourth proportional to 200,330.26, 276,455.78 and 109,686.24 is: 151,367.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,330.26 : 276,455.78 = 109,686.24 : x
  2. Step 2: Convert to fraction form
    200,330.26/276,455.78 = 109,686.24/x
  3. Step 3: Cross multiply
    200,330.26x = 276,455.78 × 109,686.24
  4. Step 4: Simplify right side
    200,330.26x = 30,323,395,034.47
  5. Step 5: Solve for x
    x = 30,323,395,034.47/200,330.26
  6. Step 6: Final answer
    x = 151,367.02

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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.