Home / 320,375.52-442,151.04-184,414.56

Finding the Fourth Proportional to 320,375.52, 442,151.04 and 184,414.56

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Solution

The fourth proportional to 320,375.52, 442,151.04 and 184,414.56 is: 254,510.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,375.52 : 442,151.04 = 184,414.56 : x
  2. Step 2: Convert to fraction form
    320,375.52/442,151.04 = 184,414.56/x
  3. Step 3: Cross multiply
    320,375.52x = 442,151.04 × 184,414.56
  4. Step 4: Simplify right side
    320,375.52x = 81,539,089,495.14
  5. Step 5: Solve for x
    x = 81,539,089,495.14/320,375.52
  6. Step 6: Final answer
    x = 254,510.99

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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.