Home / 226,138.58-338,808.71-137,211.50

Finding the Fourth Proportional to 226,138.58, 338,808.71 and 137,211.50

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Solution

The fourth proportional to 226,138.58, 338,808.71 and 137,211.50 is: 205,575.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,138.58 : 338,808.71 = 137,211.50 : x
  2. Step 2: Convert to fraction form
    226,138.58/338,808.71 = 137,211.50/x
  3. Step 3: Cross multiply
    226,138.58x = 338,808.71 × 137,211.50
  4. Step 4: Simplify right side
    226,138.58x = 46,488,451,312.17
  5. Step 5: Solve for x
    x = 46,488,451,312.17/226,138.58
  6. Step 6: Final answer
    x = 205,575.06

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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.