Home / 208,665.18-313,056.23-68,522.22

Finding the Fourth Proportional to 208,665.18, 313,056.23 and 68,522.22

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Solution

The fourth proportional to 208,665.18, 313,056.23 and 68,522.22 is: 102,802.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,665.18 : 313,056.23 = 68,522.22 : x
  2. Step 2: Convert to fraction form
    208,665.18/313,056.23 = 68,522.22/x
  3. Step 3: Cross multiply
    208,665.18x = 313,056.23 × 68,522.22
  4. Step 4: Simplify right side
    208,665.18x = 21,451,307,521.82
  5. Step 5: Solve for x
    x = 21,451,307,521.82/208,665.18
  6. Step 6: Final answer
    x = 102,802.53

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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.