Home / 166,431.50-229,671.14-98,451.98

Finding the Fourth Proportional to 166,431.50, 229,671.14 and 98,451.98

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Solution

The fourth proportional to 166,431.50, 229,671.14 and 98,451.98 is: 135,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,431.50 : 229,671.14 = 98,451.98 : x
  2. Step 2: Convert to fraction form
    166,431.50/229,671.14 = 98,451.98/x
  3. Step 3: Cross multiply
    166,431.50x = 229,671.14 × 98,451.98
  4. Step 4: Simplify right side
    166,431.50x = 22,611,578,481.86
  5. Step 5: Solve for x
    x = 22,611,578,481.86/166,431.50
  6. Step 6: Final answer
    x = 135,861.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.