Home / 185,625.24-256,162.96-100,742.30

Finding the Fourth Proportional to 185,625.24, 256,162.96 and 100,742.30

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Solution

The fourth proportional to 185,625.24, 256,162.96 and 100,742.30 is: 139,024.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,625.24 : 256,162.96 = 100,742.30 : x
  2. Step 2: Convert to fraction form
    185,625.24/256,162.96 = 100,742.30/x
  3. Step 3: Cross multiply
    185,625.24x = 256,162.96 × 100,742.30
  4. Step 4: Simplify right side
    185,625.24x = 25,806,445,765.21
  5. Step 5: Solve for x
    x = 25,806,445,765.21/185,625.24
  6. Step 6: Final answer
    x = 139,024.44

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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.