Home / 205,057.44-307,670.40-92,707.20

Finding the Fourth Proportional to 205,057.44, 307,670.40 and 92,707.20

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Solution

The fourth proportional to 205,057.44, 307,670.40 and 92,707.20 is: 139,098.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,057.44 : 307,670.40 = 92,707.20 : x
  2. Step 2: Convert to fraction form
    205,057.44/307,670.40 = 92,707.20/x
  3. Step 3: Cross multiply
    205,057.44x = 307,670.40 × 92,707.20
  4. Step 4: Simplify right side
    205,057.44x = 28,523,261,306.88
  5. Step 5: Solve for x
    x = 28,523,261,306.88/205,057.44
  6. Step 6: Final answer
    x = 139,098.89

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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.