Home / 263,736.27-395,666.64-86,242.59

Finding the Fourth Proportional to 263,736.27, 395,666.64 and 86,242.59

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Solution

The fourth proportional to 263,736.27, 395,666.64 and 86,242.59 is: 129,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,736.27 : 395,666.64 = 86,242.59 : x
  2. Step 2: Convert to fraction form
    263,736.27/395,666.64 = 86,242.59/x
  3. Step 3: Cross multiply
    263,736.27x = 395,666.64 × 86,242.59
  4. Step 4: Simplify right side
    263,736.27x = 34,123,315,810.20
  5. Step 5: Solve for x
    x = 34,123,315,810.20/263,736.27
  6. Step 6: Final answer
    x = 129,384.24

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1.5x scale

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.