Home / 319,552.70-441,142.53-198,732.91

Finding the Fourth Proportional to 319,552.70, 441,142.53 and 198,732.91

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Solution

The fourth proportional to 319,552.70, 441,142.53 and 198,732.91 is: 274,350.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,552.70 : 441,142.53 = 198,732.91 : x
  2. Step 2: Convert to fraction form
    319,552.70/441,142.53 = 198,732.91/x
  3. Step 3: Cross multiply
    319,552.70x = 441,142.53 × 198,732.91
  4. Step 4: Simplify right side
    319,552.70x = 87,669,535,512.29
  5. Step 5: Solve for x
    x = 87,669,535,512.29/319,552.70
  6. Step 6: Final answer
    x = 274,350.79

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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.