Home / 205,561.47-308,395.26-63,403.53

Finding the Fourth Proportional to 205,561.47, 308,395.26 and 63,403.53

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Solution

The fourth proportional to 205,561.47, 308,395.26 and 63,403.53 is: 95,121.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,561.47 : 308,395.26 = 63,403.53 : x
  2. Step 2: Convert to fraction form
    205,561.47/308,395.26 = 63,403.53/x
  3. Step 3: Cross multiply
    205,561.47x = 308,395.26 × 63,403.53
  4. Step 4: Simplify right side
    205,561.47x = 19,553,348,119.27
  5. Step 5: Solve for x
    x = 19,553,348,119.27/205,561.47
  6. Step 6: Final answer
    x = 95,121.66

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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.