Home / 156,974.96-235,610.42-57,231.56

Finding the Fourth Proportional to 156,974.96, 235,610.42 and 57,231.56

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Solution

The fourth proportional to 156,974.96, 235,610.42 and 57,231.56 is: 85,901.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,974.96 : 235,610.42 = 57,231.56 : x
  2. Step 2: Convert to fraction form
    156,974.96/235,610.42 = 57,231.56/x
  3. Step 3: Cross multiply
    156,974.96x = 235,610.42 × 57,231.56
  4. Step 4: Simplify right side
    156,974.96x = 13,484,351,888.86
  5. Step 5: Solve for x
    x = 13,484,351,888.86/156,974.96
  6. Step 6: Final answer
    x = 85,901.29

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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.