Home / 186,943.62-280,406.10-68,605.66

Finding the Fourth Proportional to 186,943.62, 280,406.10 and 68,605.66

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Solution

The fourth proportional to 186,943.62, 280,406.10 and 68,605.66 is: 102,905.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,943.62 : 280,406.10 = 68,605.66 : x
  2. Step 2: Convert to fraction form
    186,943.62/280,406.10 = 68,605.66/x
  3. Step 3: Cross multiply
    186,943.62x = 280,406.10 × 68,605.66
  4. Step 4: Simplify right side
    186,943.62x = 19,237,445,558.53
  5. Step 5: Solve for x
    x = 19,237,445,558.53/186,943.62
  6. Step 6: Final answer
    x = 102,905.07

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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.