Home / 137,776.12-206,636.76-37,910.50

Finding the Fourth Proportional to 137,776.12, 206,636.76 and 37,910.50

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Solution

The fourth proportional to 137,776.12, 206,636.76 and 37,910.50 is: 56,858.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,776.12 : 206,636.76 = 37,910.50 : x
  2. Step 2: Convert to fraction form
    137,776.12/206,636.76 = 37,910.50/x
  3. Step 3: Cross multiply
    137,776.12x = 206,636.76 × 37,910.50
  4. Step 4: Simplify right side
    137,776.12x = 7,833,702,889.98
  5. Step 5: Solve for x
    x = 7,833,702,889.98/137,776.12
  6. Step 6: Final answer
    x = 56,858.21

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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.