Home / 109,207.56-150,752.94-73,418.34

Finding the Fourth Proportional to 109,207.56, 150,752.94 and 73,418.34

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Solution

The fourth proportional to 109,207.56, 150,752.94 and 73,418.34 is: 101,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,207.56 : 150,752.94 = 73,418.34 : x
  2. Step 2: Convert to fraction form
    109,207.56/150,752.94 = 73,418.34/x
  3. Step 3: Cross multiply
    109,207.56x = 150,752.94 × 73,418.34
  4. Step 4: Simplify right side
    109,207.56x = 11,068,030,046.94
  5. Step 5: Solve for x
    x = 11,068,030,046.94/109,207.56
  6. Step 6: Final answer
    x = 101,348.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.