Home / 166,985.73-250,416.27-67,112.10

Finding the Fourth Proportional to 166,985.73, 250,416.27 and 67,112.10

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Solution

The fourth proportional to 166,985.73, 250,416.27 and 67,112.10 is: 100,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,985.73 : 250,416.27 = 67,112.10 : x
  2. Step 2: Convert to fraction form
    166,985.73/250,416.27 = 67,112.10/x
  3. Step 3: Cross multiply
    166,985.73x = 250,416.27 × 67,112.10
  4. Step 4: Simplify right side
    166,985.73x = 16,805,961,753.87
  5. Step 5: Solve for x
    x = 16,805,961,753.87/166,985.73
  6. Step 6: Final answer
    x = 100,643.10

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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.