Home / 263,496.46-395,307.66-86,003.80

Finding the Fourth Proportional to 263,496.46, 395,307.66 and 86,003.80

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Solution

The fourth proportional to 263,496.46, 395,307.66 and 86,003.80 is: 129,026.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,496.46 : 395,307.66 = 86,003.80 : x
  2. Step 2: Convert to fraction form
    263,496.46/395,307.66 = 86,003.80/x
  3. Step 3: Cross multiply
    263,496.46x = 395,307.66 × 86,003.80
  4. Step 4: Simplify right side
    263,496.46x = 33,997,960,929.11
  5. Step 5: Solve for x
    x = 33,997,960,929.11/263,496.46
  6. Step 6: Final answer
    x = 129,026.25

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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.