Home / 320,571.20-442,349.71-184,649.36

Finding the Fourth Proportional to 320,571.20, 442,349.71 and 184,649.36

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Solution

The fourth proportional to 320,571.20, 442,349.71 and 184,649.36 is: 254,793.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,571.20 : 442,349.71 = 184,649.36 : x
  2. Step 2: Convert to fraction form
    320,571.20/442,349.71 = 184,649.36/x
  3. Step 3: Cross multiply
    320,571.20x = 442,349.71 × 184,649.36
  4. Step 4: Simplify right side
    320,571.20x = 81,679,588,635.94
  5. Step 5: Solve for x
    x = 81,679,588,635.94/320,571.20
  6. Step 6: Final answer
    x = 254,793.91

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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.