Home / 320,259.75-441,959.18-192,940.71

Finding the Fourth Proportional to 320,259.75, 441,959.18 and 192,940.71

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Solution

The fourth proportional to 320,259.75, 441,959.18 and 192,940.71 is: 266,258.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,259.75 : 441,959.18 = 192,940.71 : x
  2. Step 2: Convert to fraction form
    320,259.75/441,959.18 = 192,940.71/x
  3. Step 3: Cross multiply
    320,259.75x = 441,959.18 × 192,940.71
  4. Step 4: Simplify right side
    320,259.75x = 85,271,917,015.51
  5. Step 5: Solve for x
    x = 85,271,917,015.51/320,259.75
  6. Step 6: Final answer
    x = 266,258.61

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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.