Home / 205,984.35-308,681.19-117,049.95

Finding the Fourth Proportional to 205,984.35, 308,681.19 and 117,049.95

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Solution

The fourth proportional to 205,984.35, 308,681.19 and 117,049.95 is: 175,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,984.35 : 308,681.19 = 117,049.95 : x
  2. Step 2: Convert to fraction form
    205,984.35/308,681.19 = 117,049.95/x
  3. Step 3: Cross multiply
    205,984.35x = 308,681.19 × 117,049.95
  4. Step 4: Simplify right side
    205,984.35x = 36,131,117,855.44
  5. Step 5: Solve for x
    x = 36,131,117,855.44/205,984.35
  6. Step 6: Final answer
    x = 175,407.10

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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.