Home / 320,924.52-442,845.09-191,837.39

Finding the Fourth Proportional to 320,924.52, 442,845.09 and 191,837.39

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Solution

The fourth proportional to 320,924.52, 442,845.09 and 191,837.39 is: 264,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,924.52 : 442,845.09 = 191,837.39 : x
  2. Step 2: Convert to fraction form
    320,924.52/442,845.09 = 191,837.39/x
  3. Step 3: Cross multiply
    320,924.52x = 442,845.09 × 191,837.39
  4. Step 4: Simplify right side
    320,924.52x = 84,954,244,025.69
  5. Step 5: Solve for x
    x = 84,954,244,025.69/320,924.52
  6. Step 6: Final answer
    x = 264,717.21

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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.