Home / 150,983.89-226,436.19-79,810.71

Finding the Fourth Proportional to 150,983.89, 226,436.19 and 79,810.71

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Solution

The fourth proportional to 150,983.89, 226,436.19 and 79,810.71 is: 119,695.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,983.89 : 226,436.19 = 79,810.71 : x
  2. Step 2: Convert to fraction form
    150,983.89/226,436.19 = 79,810.71/x
  3. Step 3: Cross multiply
    150,983.89x = 226,436.19 × 79,810.71
  4. Step 4: Simplify right side
    150,983.89x = 18,072,033,093.59
  5. Step 5: Solve for x
    x = 18,072,033,093.59/150,983.89
  6. Step 6: Final answer
    x = 119,695.11

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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.