Home / 149,527.15-206,379.50-85,900.03

Finding the Fourth Proportional to 149,527.15, 206,379.50 and 85,900.03

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Solution

The fourth proportional to 149,527.15, 206,379.50 and 85,900.03 is: 118,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,527.15 : 206,379.50 = 85,900.03 : x
  2. Step 2: Convert to fraction form
    149,527.15/206,379.50 = 85,900.03/x
  3. Step 3: Cross multiply
    149,527.15x = 206,379.50 × 85,900.03
  4. Step 4: Simplify right side
    149,527.15x = 17,728,004,295.94
  5. Step 5: Solve for x
    x = 17,728,004,295.94/149,527.15
  6. Step 6: Final answer
    x = 118,560.44

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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.