Home / 200,591.64-276,846.96-128,025.88

Finding the Fourth Proportional to 200,591.64, 276,846.96 and 128,025.88

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Solution

The fourth proportional to 200,591.64, 276,846.96 and 128,025.88 is: 176,695.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,591.64 : 276,846.96 = 128,025.88 : x
  2. Step 2: Convert to fraction form
    200,591.64/276,846.96 = 128,025.88/x
  3. Step 3: Cross multiply
    200,591.64x = 276,846.96 × 128,025.88
  4. Step 4: Simplify right side
    200,591.64x = 35,443,575,679.32
  5. Step 5: Solve for x
    x = 35,443,575,679.32/200,591.64
  6. Step 6: Final answer
    x = 176,695.18

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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.