Home / 185,704.88-256,272.54-109,218.20

Finding the Fourth Proportional to 185,704.88, 256,272.54 and 109,218.20

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Solution

The fourth proportional to 185,704.88, 256,272.54 and 109,218.20 is: 150,721.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,704.88 : 256,272.54 = 109,218.20 : x
  2. Step 2: Convert to fraction form
    185,704.88/256,272.54 = 109,218.20/x
  3. Step 3: Cross multiply
    185,704.88x = 256,272.54 × 109,218.20
  4. Step 4: Simplify right side
    185,704.88x = 27,989,625,528.23
  5. Step 5: Solve for x
    x = 27,989,625,528.23/185,704.88
  6. Step 6: Final answer
    x = 150,721.00

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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.