Home / 208,537.52-312,758.30-124,321.46

Finding the Fourth Proportional to 208,537.52, 312,758.30 and 124,321.46

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Solution

The fourth proportional to 208,537.52, 312,758.30 and 124,321.46 is: 186,453.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,537.52 : 312,758.30 = 124,321.46 : x
  2. Step 2: Convert to fraction form
    208,537.52/312,758.30 = 124,321.46/x
  3. Step 3: Cross multiply
    208,537.52x = 312,758.30 × 124,321.46
  4. Step 4: Simplify right side
    208,537.52x = 38,882,568,483.12
  5. Step 5: Solve for x
    x = 38,882,568,483.12/208,537.52
  6. Step 6: Final answer
    x = 186,453.59

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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.