Home / 319,961.78-441,601.17-185,903.54

Finding the Fourth Proportional to 319,961.78, 441,601.17 and 185,903.54

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Solution

The fourth proportional to 319,961.78, 441,601.17 and 185,903.54 is: 256,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,961.78 : 441,601.17 = 185,903.54 : x
  2. Step 2: Convert to fraction form
    319,961.78/441,601.17 = 185,903.54/x
  3. Step 3: Cross multiply
    319,961.78x = 441,601.17 × 185,903.54
  4. Step 4: Simplify right side
    319,961.78x = 82,095,220,771.14
  5. Step 5: Solve for x
    x = 82,095,220,771.14/319,961.78
  6. Step 6: Final answer
    x = 256,578.21

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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.