Home / 185,701.24-256,268.78-109,223.57

Finding the Fourth Proportional to 185,701.24, 256,268.78 and 109,223.57

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Solution

The fourth proportional to 185,701.24, 256,268.78 and 109,223.57 is: 150,729.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,701.24 : 256,268.78 = 109,223.57 : x
  2. Step 2: Convert to fraction form
    185,701.24/256,268.78 = 109,223.57/x
  3. Step 3: Cross multiply
    185,701.24x = 256,268.78 × 109,223.57
  4. Step 4: Simplify right side
    185,701.24x = 27,990,591,031.14
  5. Step 5: Solve for x
    x = 27,990,591,031.14/185,701.24
  6. Step 6: Final answer
    x = 150,729.16

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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.