Home / 204,816.98-307,225.48-80,070.50

Finding the Fourth Proportional to 204,816.98, 307,225.48 and 80,070.50

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Solution

The fourth proportional to 204,816.98, 307,225.48 and 80,070.50 is: 120,105.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,816.98 : 307,225.48 = 80,070.50 : x
  2. Step 2: Convert to fraction form
    204,816.98/307,225.48 = 80,070.50/x
  3. Step 3: Cross multiply
    204,816.98x = 307,225.48 × 80,070.50
  4. Step 4: Simplify right side
    204,816.98x = 24,599,697,796.34
  5. Step 5: Solve for x
    x = 24,599,697,796.34/204,816.98
  6. Step 6: Final answer
    x = 120,105.75

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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.