Home / 149,357.55-206,115.24-85,701.27

Finding the Fourth Proportional to 149,357.55, 206,115.24 and 85,701.27

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Solution

The fourth proportional to 149,357.55, 206,115.24 and 85,701.27 is: 118,268.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,357.55 : 206,115.24 = 85,701.27 : x
  2. Step 2: Convert to fraction form
    149,357.55/206,115.24 = 85,701.27/x
  3. Step 3: Cross multiply
    149,357.55x = 206,115.24 × 85,701.27
  4. Step 4: Simplify right side
    149,357.55x = 17,664,337,834.35
  5. Step 5: Solve for x
    x = 17,664,337,834.35/149,357.55
  6. Step 6: Final answer
    x = 118,268.80

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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.