Home / 150,501.67-207,537.26-105,163.11

Finding the Fourth Proportional to 150,501.67, 207,537.26 and 105,163.11

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Solution

The fourth proportional to 150,501.67, 207,537.26 and 105,163.11 is: 145,016.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,501.67 : 207,537.26 = 105,163.11 : x
  2. Step 2: Convert to fraction form
    150,501.67/207,537.26 = 105,163.11/x
  3. Step 3: Cross multiply
    150,501.67x = 207,537.26 × 105,163.11
  4. Step 4: Simplify right side
    150,501.67x = 21,825,264,063.98
  5. Step 5: Solve for x
    x = 21,825,264,063.98/150,501.67
  6. Step 6: Final answer
    x = 145,016.76

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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.