Home / 319,551.32-441,140.62-198,731.53

Finding the Fourth Proportional to 319,551.32, 441,140.62 and 198,731.53

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Solution

The fourth proportional to 319,551.32, 441,140.62 and 198,731.53 is: 274,348.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,551.32 : 441,140.62 = 198,731.53 : x
  2. Step 2: Convert to fraction form
    319,551.32/441,140.62 = 198,731.53/x
  3. Step 3: Cross multiply
    319,551.32x = 441,140.62 × 198,731.53
  4. Step 4: Simplify right side
    319,551.32x = 87,668,550,357.75
  5. Step 5: Solve for x
    x = 87,668,550,357.75/319,551.32
  6. Step 6: Final answer
    x = 274,348.89

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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.