Home / 136,251.88-204,477.18-69,747.64

Finding the Fourth Proportional to 136,251.88, 204,477.18 and 69,747.64

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Solution

The fourth proportional to 136,251.88, 204,477.18 and 69,747.64 is: 104,672.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,251.88 : 204,477.18 = 69,747.64 : x
  2. Step 2: Convert to fraction form
    136,251.88/204,477.18 = 69,747.64/x
  3. Step 3: Cross multiply
    136,251.88x = 204,477.18 × 69,747.64
  4. Step 4: Simplify right side
    136,251.88x = 14,261,800,738.86
  5. Step 5: Solve for x
    x = 14,261,800,738.86/136,251.88
  6. Step 6: Final answer
    x = 104,672.32

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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.