Home / 185,613.26-256,146.17-100,730.39

Finding the Fourth Proportional to 185,613.26, 256,146.17 and 100,730.39

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Solution

The fourth proportional to 185,613.26, 256,146.17 and 100,730.39 is: 139,007.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,613.26 : 256,146.17 = 100,730.39 : x
  2. Step 2: Convert to fraction form
    185,613.26/256,146.17 = 100,730.39/x
  3. Step 3: Cross multiply
    185,613.26x = 256,146.17 × 100,730.39
  4. Step 4: Simplify right side
    185,613.26x = 25,801,701,816.72
  5. Step 5: Solve for x
    x = 25,801,701,816.72/185,613.26
  6. Step 6: Final answer
    x = 139,007.86

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1.5x scale

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.