Home / 166,872.90-250,309.43-40,513.31

Finding the Fourth Proportional to 166,872.90, 250,309.43 and 40,513.31

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Solution

The fourth proportional to 166,872.90, 250,309.43 and 40,513.31 is: 60,769.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,872.90 : 250,309.43 = 40,513.31 : x
  2. Step 2: Convert to fraction form
    166,872.90/250,309.43 = 40,513.31/x
  3. Step 3: Cross multiply
    166,872.90x = 250,309.43 × 40,513.31
  4. Step 4: Simplify right side
    166,872.90x = 10,140,862,079.40
  5. Step 5: Solve for x
    x = 10,140,862,079.40/166,872.90
  6. Step 6: Final answer
    x = 60,769.98

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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.