Home / 200,304.11-276,415.29-109,655.71

Finding the Fourth Proportional to 200,304.11, 276,415.29 and 109,655.71

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Solution

The fourth proportional to 200,304.11, 276,415.29 and 109,655.71 is: 151,322.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,304.11 : 276,415.29 = 109,655.71 : x
  2. Step 2: Convert to fraction form
    200,304.11/276,415.29 = 109,655.71/x
  3. Step 3: Cross multiply
    200,304.11x = 276,415.29 × 109,655.71
  4. Step 4: Simplify right side
    200,304.11x = 30,310,514,188.77
  5. Step 5: Solve for x
    x = 30,310,514,188.77/200,304.11
  6. Step 6: Final answer
    x = 151,322.48

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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.