Home / 156,771.56-235,161.81-38,442.80

Finding the Fourth Proportional to 156,771.56, 235,161.81 and 38,442.80

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Solution

The fourth proportional to 156,771.56, 235,161.81 and 38,442.80 is: 57,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,771.56 : 235,161.81 = 38,442.80 : x
  2. Step 2: Convert to fraction form
    156,771.56/235,161.81 = 38,442.80/x
  3. Step 3: Cross multiply
    156,771.56x = 235,161.81 × 38,442.80
  4. Step 4: Simplify right side
    156,771.56x = 9,040,278,429.47
  5. Step 5: Solve for x
    x = 9,040,278,429.47/156,771.56
  6. Step 6: Final answer
    x = 57,665.30

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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.