Home / 133,787.10-200,680.65-127,226.10

Finding the Fourth Proportional to 133,787.10, 200,680.65 and 127,226.10

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Solution

The fourth proportional to 133,787.10, 200,680.65 and 127,226.10 is: 190,839.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787.10 : 200,680.65 = 127,226.10 : x
  2. Step 2: Convert to fraction form
    133,787.10/200,680.65 = 127,226.10/x
  3. Step 3: Cross multiply
    133,787.10x = 200,680.65 × 127,226.10
  4. Step 4: Simplify right side
    133,787.10x = 25,531,816,444.97
  5. Step 5: Solve for x
    x = 25,531,816,444.97/133,787.10
  6. Step 6: Final answer
    x = 190,839.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.