Home / 173,318.78-259,812.09-73,341.43

Finding the Fourth Proportional to 173,318.78, 259,812.09 and 73,341.43

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Solution

The fourth proportional to 173,318.78, 259,812.09 and 73,341.43 is: 109,941.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,318.78 : 259,812.09 = 73,341.43 : x
  2. Step 2: Convert to fraction form
    173,318.78/259,812.09 = 73,341.43/x
  3. Step 3: Cross multiply
    173,318.78x = 259,812.09 × 73,341.43
  4. Step 4: Simplify right side
    173,318.78x = 19,054,989,562.36
  5. Step 5: Solve for x
    x = 19,054,989,562.36/173,318.78
  6. Step 6: Final answer
    x = 109,941.86

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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.