Home / 136,520.13-204,872.46-47,774.41

Finding the Fourth Proportional to 136,520.13, 204,872.46 and 47,774.41

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Solution

The fourth proportional to 136,520.13, 204,872.46 and 47,774.41 is: 71,693.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,520.13 : 204,872.46 = 47,774.41 : x
  2. Step 2: Convert to fraction form
    136,520.13/204,872.46 = 47,774.41/x
  3. Step 3: Cross multiply
    136,520.13x = 204,872.46 × 47,774.41
  4. Step 4: Simplify right side
    136,520.13x = 9,787,660,210.41
  5. Step 5: Solve for x
    x = 9,787,660,210.41/136,520.13
  6. Step 6: Final answer
    x = 71,693.90

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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.