Home / 207,137.90-310,997.76-106,008.27

Finding the Fourth Proportional to 207,137.90, 310,997.76 and 106,008.27

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Solution

The fourth proportional to 207,137.90, 310,997.76 and 106,008.27 is: 159,161.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,137.90 : 310,997.76 = 106,008.27 : x
  2. Step 2: Convert to fraction form
    207,137.90/310,997.76 = 106,008.27/x
  3. Step 3: Cross multiply
    207,137.90x = 310,997.76 × 106,008.27
  4. Step 4: Simplify right side
    207,137.90x = 32,968,334,511.48
  5. Step 5: Solve for x
    x = 32,968,334,511.48/207,137.90
  6. Step 6: Final answer
    x = 159,161.29

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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.