Home / 205,078.18-283,006.96-114,428.86

Finding the Fourth Proportional to 205,078.18, 283,006.96 and 114,428.86

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Solution

The fourth proportional to 205,078.18, 283,006.96 and 114,428.86 is: 157,911.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,078.18 : 283,006.96 = 114,428.86 : x
  2. Step 2: Convert to fraction form
    205,078.18/283,006.96 = 114,428.86/x
  3. Step 3: Cross multiply
    205,078.18x = 283,006.96 × 114,428.86
  4. Step 4: Simplify right side
    205,078.18x = 32,384,163,804.87
  5. Step 5: Solve for x
    x = 32,384,163,804.87/205,078.18
  6. Step 6: Final answer
    x = 157,911.31

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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.