Home / 263,646.57-395,490.36-86,171.52

Finding the Fourth Proportional to 263,646.57, 395,490.36 and 86,171.52

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Solution

The fourth proportional to 263,646.57, 395,490.36 and 86,171.52 is: 129,263.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,646.57 : 395,490.36 = 86,171.52 : x
  2. Step 2: Convert to fraction form
    263,646.57/395,490.36 = 86,171.52/x
  3. Step 3: Cross multiply
    263,646.57x = 395,490.36 × 86,171.52
  4. Step 4: Simplify right side
    263,646.57x = 34,080,005,466.55
  5. Step 5: Solve for x
    x = 34,080,005,466.55/263,646.57
  6. Step 6: Final answer
    x = 129,263.98

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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.