Home / 200,337.08-276,456.64-109,691.40

Finding the Fourth Proportional to 200,337.08, 276,456.64 and 109,691.40

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Solution

The fourth proportional to 200,337.08, 276,456.64 and 109,691.40 is: 151,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,337.08 : 276,456.64 = 109,691.40 : x
  2. Step 2: Convert to fraction form
    200,337.08/276,456.64 = 109,691.40/x
  3. Step 3: Cross multiply
    200,337.08x = 276,456.64 × 109,691.40
  4. Step 4: Simplify right side
    200,337.08x = 30,324,915,880.90
  5. Step 5: Solve for x
    x = 30,324,915,880.90/200,337.08
  6. Step 6: Final answer
    x = 151,369.46

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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.