Home / 185,634.63-256,175.91-100,751.70

Finding the Fourth Proportional to 185,634.63, 256,175.91 and 100,751.70

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Solution

The fourth proportional to 185,634.63, 256,175.91 and 100,751.70 is: 139,037.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,634.63 : 256,175.91 = 100,751.70 : x
  2. Step 2: Convert to fraction form
    185,634.63/256,175.91 = 100,751.70/x
  3. Step 3: Cross multiply
    185,634.63x = 256,175.91 × 100,751.70
  4. Step 4: Simplify right side
    185,634.63x = 25,810,156,898.79
  5. Step 5: Solve for x
    x = 25,810,156,898.79/185,634.63
  6. Step 6: Final answer
    x = 139,037.40

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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.