Home / 185,019.82-255,326.90-100,136.96

Finding the Fourth Proportional to 185,019.82, 255,326.90 and 100,136.96

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Solution

The fourth proportional to 185,019.82, 255,326.90 and 100,136.96 is: 138,188.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,019.82 : 255,326.90 = 100,136.96 : x
  2. Step 2: Convert to fraction form
    185,019.82/255,326.90 = 100,136.96/x
  3. Step 3: Cross multiply
    185,019.82x = 255,326.90 × 100,136.96
  4. Step 4: Simplify right side
    185,019.82x = 25,567,659,572.22
  5. Step 5: Solve for x
    x = 25,567,659,572.22/185,019.82
  6. Step 6: Final answer
    x = 138,188.76

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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.