Home / 224,514.20-336,478.80-91,238.66

Finding the Fourth Proportional to 224,514.20, 336,478.80 and 91,238.66

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Solution

The fourth proportional to 224,514.20, 336,478.80 and 91,238.66 is: 136,739.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,514.20 : 336,478.80 = 91,238.66 : x
  2. Step 2: Convert to fraction form
    224,514.20/336,478.80 = 91,238.66/x
  3. Step 3: Cross multiply
    224,514.20x = 336,478.80 × 91,238.66
  4. Step 4: Simplify right side
    224,514.20x = 30,699,874,830.41
  5. Step 5: Solve for x
    x = 30,699,874,830.41/224,514.20
  6. Step 6: Final answer
    x = 136,739.12

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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.