Home / 185,621.24-256,157.44-100,738.30

Finding the Fourth Proportional to 185,621.24, 256,157.44 and 100,738.30

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Solution

The fourth proportional to 185,621.24, 256,157.44 and 100,738.30 is: 139,018.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,621.24 : 256,157.44 = 100,738.30 : x
  2. Step 2: Convert to fraction form
    185,621.24/256,157.44 = 100,738.30/x
  3. Step 3: Cross multiply
    185,621.24x = 256,157.44 × 100,738.30
  4. Step 4: Simplify right side
    185,621.24x = 25,804,864,626.01
  5. Step 5: Solve for x
    x = 25,804,864,626.01/185,621.24
  6. Step 6: Final answer
    x = 139,018.92

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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.