Home / 319,583.04-441,184.32-198,763.20

Finding the Fourth Proportional to 319,583.04, 441,184.32 and 198,763.20

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Solution

The fourth proportional to 319,583.04, 441,184.32 and 198,763.20 is: 274,392.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,583.04 : 441,184.32 = 198,763.20 : x
  2. Step 2: Convert to fraction form
    319,583.04/441,184.32 = 198,763.20/x
  3. Step 3: Cross multiply
    319,583.04x = 441,184.32 × 198,763.20
  4. Step 4: Simplify right side
    319,583.04x = 87,691,207,233.02
  5. Step 5: Solve for x
    x = 87,691,207,233.02/319,583.04
  6. Step 6: Final answer
    x = 274,392.56

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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.