Home / 185,634.72-256,176.10-100,751.82

Finding the Fourth Proportional to 185,634.72, 256,176.10 and 100,751.82

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Solution

The fourth proportional to 185,634.72, 256,176.10 and 100,751.82 is: 139,037.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,634.72 : 256,176.10 = 100,751.82 : x
  2. Step 2: Convert to fraction form
    185,634.72/256,176.10 = 100,751.82/x
  3. Step 3: Cross multiply
    185,634.72x = 256,176.10 × 100,751.82
  4. Step 4: Simplify right side
    185,634.72x = 25,810,208,315.50
  5. Step 5: Solve for x
    x = 25,810,208,315.50/185,634.72
  6. Step 6: Final answer
    x = 139,037.61

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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.