Home / 185,745.16-256,324.26-100,861.48

Finding the Fourth Proportional to 185,745.16, 256,324.26 and 100,861.48

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Solution

The fourth proportional to 185,745.16, 256,324.26 and 100,861.48 is: 139,186.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,745.16 : 256,324.26 = 100,861.48 : x
  2. Step 2: Convert to fraction form
    185,745.16/256,324.26 = 100,861.48/x
  3. Step 3: Cross multiply
    185,745.16x = 256,324.26 × 100,861.48
  4. Step 4: Simplify right side
    185,745.16x = 25,853,244,223.50
  5. Step 5: Solve for x
    x = 25,853,244,223.50/185,745.16
  6. Step 6: Final answer
    x = 139,186.64

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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.