Home / 185,655.44-256,197.12-100,771.04

Finding the Fourth Proportional to 185,655.44, 256,197.12 and 100,771.04

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Solution

The fourth proportional to 185,655.44, 256,197.12 and 100,771.04 is: 139,060.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,655.44 : 256,197.12 = 100,771.04 : x
  2. Step 2: Convert to fraction form
    185,655.44/256,197.12 = 100,771.04/x
  3. Step 3: Cross multiply
    185,655.44x = 256,197.12 × 100,771.04
  4. Step 4: Simplify right side
    185,655.44x = 25,817,250,227.40
  5. Step 5: Solve for x
    x = 25,817,250,227.40/185,655.44
  6. Step 6: Final answer
    x = 139,060.03

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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.