Home / 320,571.45-442,350.05-184,649.61

Finding the Fourth Proportional to 320,571.45, 442,350.05 and 184,649.61

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Solution

The fourth proportional to 320,571.45, 442,350.05 and 184,649.61 is: 254,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,571.45 : 442,350.05 = 184,649.61 : x
  2. Step 2: Convert to fraction form
    320,571.45/442,350.05 = 184,649.61/x
  3. Step 3: Cross multiply
    320,571.45x = 442,350.05 × 184,649.61
  4. Step 4: Simplify right side
    320,571.45x = 81,679,764,215.98
  5. Step 5: Solve for x
    x = 81,679,764,215.98/320,571.45
  6. Step 6: Final answer
    x = 254,794.26

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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.