Home / 200,382.05-276,548.88-127,787.32

Finding the Fourth Proportional to 200,382.05, 276,548.88 and 127,787.32

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Solution

The fourth proportional to 200,382.05, 276,548.88 and 127,787.32 is: 176,360.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,382.05 : 276,548.88 = 127,787.32 : x
  2. Step 2: Convert to fraction form
    200,382.05/276,548.88 = 127,787.32/x
  3. Step 3: Cross multiply
    200,382.05x = 276,548.88 × 127,787.32
  4. Step 4: Simplify right side
    200,382.05x = 35,339,441,049.09
  5. Step 5: Solve for x
    x = 35,339,441,049.09/200,382.05
  6. Step 6: Final answer
    x = 176,360.31

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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.