Home / 263,829.24-395,780.85-86,350.32

Finding the Fourth Proportional to 263,829.24, 395,780.85 and 86,350.32

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Solution

The fourth proportional to 263,829.24, 395,780.85 and 86,350.32 is: 129,537.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,829.24 : 395,780.85 = 86,350.32 : x
  2. Step 2: Convert to fraction form
    263,829.24/395,780.85 = 86,350.32/x
  3. Step 3: Cross multiply
    263,829.24x = 395,780.85 × 86,350.32
  4. Step 4: Simplify right side
    263,829.24x = 34,175,803,047.37
  5. Step 5: Solve for x
    x = 34,175,803,047.37/263,829.24
  6. Step 6: Final answer
    x = 129,537.59

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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.