Home / 263,810.57-395,752.73-86,282.19

Finding the Fourth Proportional to 263,810.57, 395,752.73 and 86,282.19

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Solution

The fourth proportional to 263,810.57, 395,752.73 and 86,282.19 is: 129,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,810.57 : 395,752.73 = 86,282.19 : x
  2. Step 2: Convert to fraction form
    263,810.57/395,752.73 = 86,282.19/x
  3. Step 3: Cross multiply
    263,810.57x = 395,752.73 × 86,282.19
  4. Step 4: Simplify right side
    263,810.57x = 34,146,411,811.47
  5. Step 5: Solve for x
    x = 34,146,411,811.47/263,810.57
  6. Step 6: Final answer
    x = 129,435.35

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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.