Home / 185,743.44-256,328.28-100,861.92

Finding the Fourth Proportional to 185,743.44, 256,328.28 and 100,861.92

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Solution

The fourth proportional to 185,743.44, 256,328.28 and 100,861.92 is: 139,190.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,743.44 : 256,328.28 = 100,861.92 : x
  2. Step 2: Convert to fraction form
    185,743.44/256,328.28 = 100,861.92/x
  3. Step 3: Cross multiply
    185,743.44x = 256,328.28 × 100,861.92
  4. Step 4: Simplify right side
    185,743.44x = 25,853,762,471.10
  5. Step 5: Solve for x
    x = 25,853,762,471.10/185,743.44
  6. Step 6: Final answer
    x = 139,190.72

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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.