Home / 156,234.87-235,017.52-141,620.26

Finding the Fourth Proportional to 156,234.87, 235,017.52 and 141,620.26

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Solution

The fourth proportional to 156,234.87, 235,017.52 and 141,620.26 is: 213,033.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,234.87 : 235,017.52 = 141,620.26 : x
  2. Step 2: Convert to fraction form
    156,234.87/235,017.52 = 141,620.26/x
  3. Step 3: Cross multiply
    156,234.87x = 235,017.52 × 141,620.26
  4. Step 4: Simplify right side
    156,234.87x = 33,283,242,286.96
  5. Step 5: Solve for x
    x = 33,283,242,286.96/156,234.87
  6. Step 6: Final answer
    x = 213,033.38

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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.