Home / 119,731.37-179,625.20-40,845.87

Finding the Fourth Proportional to 119,731.37, 179,625.20 and 40,845.87

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Solution

The fourth proportional to 119,731.37, 179,625.20 and 40,845.87 is: 61,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,731.37 : 179,625.20 = 40,845.87 : x
  2. Step 2: Convert to fraction form
    119,731.37/179,625.20 = 40,845.87/x
  3. Step 3: Cross multiply
    119,731.37x = 179,625.20 × 40,845.87
  4. Step 4: Simplify right side
    119,731.37x = 7,336,947,363.69
  5. Step 5: Solve for x
    x = 7,336,947,363.69/119,731.37
  6. Step 6: Final answer
    x = 61,278.41

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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.