Home / 335,530.18-503,405.97-136,018.36

Finding the Fourth Proportional to 335,530.18, 503,405.97 and 136,018.36

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Solution

The fourth proportional to 335,530.18, 503,405.97 and 136,018.36 is: 204,072.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,530.18 : 503,405.97 = 136,018.36 : x
  2. Step 2: Convert to fraction form
    335,530.18/503,405.97 = 136,018.36/x
  3. Step 3: Cross multiply
    335,530.18x = 503,405.97 × 136,018.36
  4. Step 4: Simplify right side
    335,530.18x = 68,472,454,453.61
  5. Step 5: Solve for x
    x = 68,472,454,453.61/335,530.18
  6. Step 6: Final answer
    x = 204,072.42

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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.