Home / 120,093.03-179,260.13-105,905.79

Finding the Fourth Proportional to 120,093.03, 179,260.13 and 105,905.79

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Solution

The fourth proportional to 120,093.03, 179,260.13 and 105,905.79 is: 158,083.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,093.03 : 179,260.13 = 105,905.79 : x
  2. Step 2: Convert to fraction form
    120,093.03/179,260.13 = 105,905.79/x
  3. Step 3: Cross multiply
    120,093.03x = 179,260.13 × 105,905.79
  4. Step 4: Simplify right side
    120,093.03x = 18,984,685,947.92
  5. Step 5: Solve for x
    x = 18,984,685,947.92/120,093.03
  6. Step 6: Final answer
    x = 158,083.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.