Home / 185,069.24-255,396.36-100,186.30

Finding the Fourth Proportional to 185,069.24, 255,396.36 and 100,186.30

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Solution

The fourth proportional to 185,069.24, 255,396.36 and 100,186.30 is: 138,257.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,069.24 : 255,396.36 = 100,186.30 : x
  2. Step 2: Convert to fraction form
    185,069.24/255,396.36 = 100,186.30/x
  3. Step 3: Cross multiply
    185,069.24x = 255,396.36 × 100,186.30
  4. Step 4: Simplify right side
    185,069.24x = 25,587,216,341.87
  5. Step 5: Solve for x
    x = 25,587,216,341.87/185,069.24
  6. Step 6: Final answer
    x = 138,257.53

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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.