Home / 185,193.24-255,566.69-100,310.31

Finding the Fourth Proportional to 185,193.24, 255,566.69 and 100,310.31

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Solution

The fourth proportional to 185,193.24, 255,566.69 and 100,310.31 is: 138,428.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,193.24 : 255,566.69 = 100,310.31 : x
  2. Step 2: Convert to fraction form
    185,193.24/255,566.69 = 100,310.31/x
  3. Step 3: Cross multiply
    185,193.24x = 255,566.69 × 100,310.31
  4. Step 4: Simplify right side
    185,193.24x = 25,635,973,899.57
  5. Step 5: Solve for x
    x = 25,635,973,899.57/185,193.24
  6. Step 6: Final answer
    x = 138,428.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.