Home / 185,777.68-256,375.08-100,896.40

Finding the Fourth Proportional to 185,777.68, 256,375.08 and 100,896.40

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Solution

The fourth proportional to 185,777.68, 256,375.08 and 100,896.40 is: 139,238.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,777.68 : 256,375.08 = 100,896.40 : x
  2. Step 2: Convert to fraction form
    185,777.68/256,375.08 = 100,896.40/x
  3. Step 3: Cross multiply
    185,777.68x = 256,375.08 × 100,896.40
  4. Step 4: Simplify right side
    185,777.68x = 25,867,322,621.71
  5. Step 5: Solve for x
    x = 25,867,322,621.71/185,777.68
  6. Step 6: Final answer
    x = 139,238.05

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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.