Home / 133,787.90-200,681.85-40,293.65

Finding the Fourth Proportional to 133,787.90, 200,681.85 and 40,293.65

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Solution

The fourth proportional to 133,787.90, 200,681.85 and 40,293.65 is: 60,440.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,787.90 : 200,681.85 = 40,293.65 : x
  2. Step 2: Convert to fraction form
    133,787.90/200,681.85 = 40,293.65/x
  3. Step 3: Cross multiply
    133,787.90x = 200,681.85 × 40,293.65
  4. Step 4: Simplify right side
    133,787.90x = 8,086,204,878.06
  5. Step 5: Solve for x
    x = 8,086,204,878.06/133,787.90
  6. Step 6: Final answer
    x = 60,440.48

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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.