Home / 205,865.18-308,583.69-79,592.16

Finding the Fourth Proportional to 205,865.18, 308,583.69 and 79,592.16

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Solution

The fourth proportional to 205,865.18, 308,583.69 and 79,592.16 is: 119,305.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,865.18 : 308,583.69 = 79,592.16 : x
  2. Step 2: Convert to fraction form
    205,865.18/308,583.69 = 79,592.16/x
  3. Step 3: Cross multiply
    205,865.18x = 308,583.69 × 79,592.16
  4. Step 4: Simplify right side
    205,865.18x = 24,560,842,427.87
  5. Step 5: Solve for x
    x = 24,560,842,427.87/205,865.18
  6. Step 6: Final answer
    x = 119,305.47

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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.