Home / 185,626.48-256,164.60-100,743.52

Finding the Fourth Proportional to 185,626.48, 256,164.60 and 100,743.52

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Solution

The fourth proportional to 185,626.48, 256,164.60 and 100,743.52 is: 139,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,626.48 : 256,164.60 = 100,743.52 : x
  2. Step 2: Convert to fraction form
    185,626.48/256,164.60 = 100,743.52/x
  3. Step 3: Cross multiply
    185,626.48x = 256,164.60 × 100,743.52
  4. Step 4: Simplify right side
    185,626.48x = 25,806,923,503.39
  5. Step 5: Solve for x
    x = 25,806,923,503.39/185,626.48
  6. Step 6: Final answer
    x = 139,026.09

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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.