Home / 179,345.70-247,487.58-102,860.87

Finding the Fourth Proportional to 179,345.70, 247,487.58 and 102,860.87

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Solution

The fourth proportional to 179,345.70, 247,487.58 and 102,860.87 is: 141,942.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,345.70 : 247,487.58 = 102,860.87 : x
  2. Step 2: Convert to fraction form
    179,345.70/247,487.58 = 102,860.87/x
  3. Step 3: Cross multiply
    179,345.70x = 247,487.58 × 102,860.87
  4. Step 4: Simplify right side
    179,345.70x = 25,456,786,555.56
  5. Step 5: Solve for x
    x = 25,456,786,555.56/179,345.70
  6. Step 6: Final answer
    x = 141,942.55

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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.