Home / 136,527.42-204,883.34-47,781.70

Finding the Fourth Proportional to 136,527.42, 204,883.34 and 47,781.70

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Solution

The fourth proportional to 136,527.42, 204,883.34 and 47,781.70 is: 71,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,527.42 : 204,883.34 = 47,781.70 : x
  2. Step 2: Convert to fraction form
    136,527.42/204,883.34 = 47,781.70/x
  3. Step 3: Cross multiply
    136,527.42x = 204,883.34 × 47,781.70
  4. Step 4: Simplify right side
    136,527.42x = 9,789,674,286.88
  5. Step 5: Solve for x
    x = 9,789,674,286.88/136,527.42
  6. Step 6: Final answer
    x = 71,704.82

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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.