Home / 170,535.60-255,877.23-91,557.56

Finding the Fourth Proportional to 170,535.60, 255,877.23 and 91,557.56

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Solution

The fourth proportional to 170,535.60, 255,877.23 and 91,557.56 is: 137,375.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,535.60 : 255,877.23 = 91,557.56 : x
  2. Step 2: Convert to fraction form
    170,535.60/255,877.23 = 91,557.56/x
  3. Step 3: Cross multiply
    170,535.60x = 255,877.23 × 91,557.56
  4. Step 4: Simplify right side
    170,535.60x = 23,427,493,558.97
  5. Step 5: Solve for x
    x = 23,427,493,558.97/170,535.60
  6. Step 6: Final answer
    x = 137,375.97

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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.