Home / 205,669.37-283,838.11-115,033.71

Finding the Fourth Proportional to 205,669.37, 283,838.11 and 115,033.71

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Solution

The fourth proportional to 205,669.37, 283,838.11 and 115,033.71 is: 158,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,669.37 : 283,838.11 = 115,033.71 : x
  2. Step 2: Convert to fraction form
    205,669.37/283,838.11 = 115,033.71/x
  3. Step 3: Cross multiply
    205,669.37x = 283,838.11 × 115,033.71
  4. Step 4: Simplify right side
    205,669.37x = 32,650,952,040.87
  5. Step 5: Solve for x
    x = 32,650,952,040.87/205,669.37
  6. Step 6: Final answer
    x = 158,754.57

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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.