Home / 200,335.08-276,453.88-109,689.40

Finding the Fourth Proportional to 200,335.08, 276,453.88 and 109,689.40

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Solution

The fourth proportional to 200,335.08, 276,453.88 and 109,689.40 is: 151,366.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,335.08 : 276,453.88 = 109,689.40 : x
  2. Step 2: Convert to fraction form
    200,335.08/276,453.88 = 109,689.40/x
  3. Step 3: Cross multiply
    200,335.08x = 276,453.88 × 109,689.40
  4. Step 4: Simplify right side
    200,335.08x = 30,324,060,224.87
  5. Step 5: Solve for x
    x = 30,324,060,224.87/200,335.08
  6. Step 6: Final answer
    x = 151,366.70

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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.