Home / 319,512.83-440,949.08-183,590.78

Finding the Fourth Proportional to 319,512.83, 440,949.08 and 183,590.78

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Solution

The fourth proportional to 319,512.83, 440,949.08 and 183,590.78 is: 253,367.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,512.83 : 440,949.08 = 183,590.78 : x
  2. Step 2: Convert to fraction form
    319,512.83/440,949.08 = 183,590.78/x
  3. Step 3: Cross multiply
    319,512.83x = 440,949.08 × 183,590.78
  4. Step 4: Simplify right side
    319,512.83x = 80,954,183,791.71
  5. Step 5: Solve for x
    x = 80,954,183,791.71/319,512.83
  6. Step 6: Final answer
    x = 253,367.56

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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.