Home / 136,584.08-204,751.31-47,789.15

Finding the Fourth Proportional to 136,584.08, 204,751.31 and 47,789.15

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Solution

The fourth proportional to 136,584.08, 204,751.31 and 47,789.15 is: 71,640.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,584.08 : 204,751.31 = 47,789.15 : x
  2. Step 2: Convert to fraction form
    136,584.08/204,751.31 = 47,789.15/x
  3. Step 3: Cross multiply
    136,584.08x = 204,751.31 × 47,789.15
  4. Step 4: Simplify right side
    136,584.08x = 9,784,890,014.75
  5. Step 5: Solve for x
    x = 9,784,890,014.75/136,584.08
  6. Step 6: Final answer
    x = 71,640.05

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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.