Home / 205,245.06-307,876.23-65,000.58

Finding the Fourth Proportional to 205,245.06, 307,876.23 and 65,000.58

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Solution

The fourth proportional to 205,245.06, 307,876.23 and 65,000.58 is: 97,503.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,245.06 : 307,876.23 = 65,000.58 : x
  2. Step 2: Convert to fraction form
    205,245.06/307,876.23 = 65,000.58/x
  3. Step 3: Cross multiply
    205,245.06x = 307,876.23 × 65,000.58
  4. Step 4: Simplify right side
    205,245.06x = 20,012,133,518.21
  5. Step 5: Solve for x
    x = 20,012,133,518.21/205,245.06
  6. Step 6: Final answer
    x = 97,503.61

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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.