Home / 205,143.89-283,070.31-114,491.36

Finding the Fourth Proportional to 205,143.89, 283,070.31 and 114,491.36

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Solution

The fourth proportional to 205,143.89, 283,070.31 and 114,491.36 is: 157,982.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,143.89 : 283,070.31 = 114,491.36 : x
  2. Step 2: Convert to fraction form
    205,143.89/283,070.31 = 114,491.36/x
  3. Step 3: Cross multiply
    205,143.89x = 283,070.31 × 114,491.36
  4. Step 4: Simplify right side
    205,143.89x = 32,409,103,352.17
  5. Step 5: Solve for x
    x = 32,409,103,352.17/205,143.89
  6. Step 6: Final answer
    x = 157,982.30

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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.