Home / 137,163.90-205,725.06-37,331.88

Finding the Fourth Proportional to 137,163.90, 205,725.06 and 37,331.88

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Solution

The fourth proportional to 137,163.90, 205,725.06 and 37,331.88 is: 55,992.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,163.90 : 205,725.06 = 37,331.88 : x
  2. Step 2: Convert to fraction form
    137,163.90/205,725.06 = 37,331.88/x
  3. Step 3: Cross multiply
    137,163.90x = 205,725.06 × 37,331.88
  4. Step 4: Simplify right side
    137,163.90x = 7,680,103,252.91
  5. Step 5: Solve for x
    x = 7,680,103,252.91/137,163.90
  6. Step 6: Final answer
    x = 55,992.16

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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.