Home / 335,925.78-503,885.53-136,198.70

Finding the Fourth Proportional to 335,925.78, 503,885.53 and 136,198.70

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Solution

The fourth proportional to 335,925.78, 503,885.53 and 136,198.70 is: 204,296.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,925.78 : 503,885.53 = 136,198.70 : x
  2. Step 2: Convert to fraction form
    335,925.78/503,885.53 = 136,198.70/x
  3. Step 3: Cross multiply
    335,925.78x = 503,885.53 × 136,198.70
  4. Step 4: Simplify right side
    335,925.78x = 68,628,554,134.81
  5. Step 5: Solve for x
    x = 68,628,554,134.81/335,925.78
  6. Step 6: Final answer
    x = 204,296.78

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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.