Home / 336,043.34-503,675-136,115.09

Finding the Fourth Proportional to 336,043.34, 503,675 and 136,115.09

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Solution

The fourth proportional to 336,043.34, 503,675 and 136,115.09 is: 204,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,043.34 : 503,675 = 136,115.09 : x
  2. Step 2: Convert to fraction form
    336,043.34/503,675 = 136,115.09/x
  3. Step 3: Cross multiply
    336,043.34x = 503,675 × 136,115.09
  4. Step 4: Simplify right side
    336,043.34x = 68,557,767,955.75
  5. Step 5: Solve for x
    x = 68,557,767,955.75/336,043.34
  6. Step 6: Final answer
    x = 204,014.66

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1.5x scale

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.