Home / 166,967.13-250,532.88-78,205.29

Finding the Fourth Proportional to 166,967.13, 250,532.88 and 78,205.29

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Solution

The fourth proportional to 166,967.13, 250,532.88 and 78,205.29 is: 117,346.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,967.13 : 250,532.88 = 78,205.29 : x
  2. Step 2: Convert to fraction form
    166,967.13/250,532.88 = 78,205.29/x
  3. Step 3: Cross multiply
    166,967.13x = 250,532.88 × 78,205.29
  4. Step 4: Simplify right side
    166,967.13x = 19,592,996,534.94
  5. Step 5: Solve for x
    x = 19,592,996,534.94/166,967.13
  6. Step 6: Final answer
    x = 117,346.43

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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.