Home / 204,949.13-307,423.69-64,707.75

Finding the Fourth Proportional to 204,949.13, 307,423.69 and 64,707.75

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Solution

The fourth proportional to 204,949.13, 307,423.69 and 64,707.75 is: 97,061.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,949.13 : 307,423.69 = 64,707.75 : x
  2. Step 2: Convert to fraction form
    204,949.13/307,423.69 = 64,707.75/x
  3. Step 3: Cross multiply
    204,949.13x = 307,423.69 × 64,707.75
  4. Step 4: Simplify right side
    204,949.13x = 19,892,695,114.83
  5. Step 5: Solve for x
    x = 19,892,695,114.83/204,949.13
  6. Step 6: Final answer
    x = 97,061.63

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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.