Home / 538,557.14-807,833.27-139,163.96

Finding the Fourth Proportional to 538,557.14, 807,833.27 and 139,163.96

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Solution

The fourth proportional to 538,557.14, 807,833.27 and 139,163.96 is: 208,745.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,557.14 : 807,833.27 = 139,163.96 : x
  2. Step 2: Convert to fraction form
    538,557.14/807,833.27 = 139,163.96/x
  3. Step 3: Cross multiply
    538,557.14x = 807,833.27 × 139,163.96
  4. Step 4: Simplify right side
    538,557.14x = 112,421,272,137.96
  5. Step 5: Solve for x
    x = 112,421,272,137.96/538,557.14
  6. Step 6: Final answer
    x = 208,745.30

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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.