Home / 185,613.01-256,146.12-100,730.07

Finding the Fourth Proportional to 185,613.01, 256,146.12 and 100,730.07

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Solution

The fourth proportional to 185,613.01, 256,146.12 and 100,730.07 is: 139,007.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,613.01 : 256,146.12 = 100,730.07 : x
  2. Step 2: Convert to fraction form
    185,613.01/256,146.12 = 100,730.07/x
  3. Step 3: Cross multiply
    185,613.01x = 256,146.12 × 100,730.07
  4. Step 4: Simplify right side
    185,613.01x = 25,801,616,597.83
  5. Step 5: Solve for x
    x = 25,801,616,597.83/185,613.01
  6. Step 6: Final answer
    x = 139,007.59

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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.