Home / 185,655.88-256,205.22-100,772.92

Finding the Fourth Proportional to 185,655.88, 256,205.22 and 100,772.92

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Solution

The fourth proportional to 185,655.88, 256,205.22 and 100,772.92 is: 139,066.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655.88 : 256,205.22 = 100,772.92 : x
  2. Step 2: Convert to fraction form
    185,655.88/256,205.22 = 100,772.92/x
  3. Step 3: Cross multiply
    185,655.88x = 256,205.22 × 100,772.92
  4. Step 4: Simplify right side
    185,655.88x = 25,818,548,138.64
  5. Step 5: Solve for x
    x = 25,818,548,138.64/185,655.88
  6. Step 6: Final answer
    x = 139,066.69

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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.