Home / 263,702.58-395,577.18-74,164.56

Finding the Fourth Proportional to 263,702.58, 395,577.18 and 74,164.56

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Solution

The fourth proportional to 263,702.58, 395,577.18 and 74,164.56 is: 111,253.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,702.58 : 395,577.18 = 74,164.56 : x
  2. Step 2: Convert to fraction form
    263,702.58/395,577.18 = 74,164.56/x
  3. Step 3: Cross multiply
    263,702.58x = 395,577.18 × 74,164.56
  4. Step 4: Simplify right side
    263,702.58x = 29,337,807,500.74
  5. Step 5: Solve for x
    x = 29,337,807,500.74/263,702.58
  6. Step 6: Final answer
    x = 111,253.40

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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.