Home / 205,556.20-308,367.54-63,368.21

Finding the Fourth Proportional to 205,556.20, 308,367.54 and 63,368.21

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Solution

The fourth proportional to 205,556.20, 308,367.54 and 63,368.21 is: 95,062.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,556.20 : 308,367.54 = 63,368.21 : x
  2. Step 2: Convert to fraction form
    205,556.20/308,367.54 = 63,368.21/x
  3. Step 3: Cross multiply
    205,556.20x = 308,367.54 × 63,368.21
  4. Step 4: Simplify right side
    205,556.20x = 19,540,697,490.07
  5. Step 5: Solve for x
    x = 19,540,697,490.07/205,556.20
  6. Step 6: Final answer
    x = 95,062.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.