Home / 205,929.40-308,894.10-161,692.60

Finding the Fourth Proportional to 205,929.40, 308,894.10 and 161,692.60

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Solution

The fourth proportional to 205,929.40, 308,894.10 and 161,692.60 is: 242,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,929.40 : 308,894.10 = 161,692.60 : x
  2. Step 2: Convert to fraction form
    205,929.40/308,894.10 = 161,692.60/x
  3. Step 3: Cross multiply
    205,929.40x = 308,894.10 × 161,692.60
  4. Step 4: Simplify right side
    205,929.40x = 49,945,890,153.66
  5. Step 5: Solve for x
    x = 49,945,890,153.66/205,929.40
  6. Step 6: Final answer
    x = 242,538.90

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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.