Home / 200,729.18-276,986.31-115,873.58

Finding the Fourth Proportional to 200,729.18, 276,986.31 and 115,873.58

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Solution

The fourth proportional to 200,729.18, 276,986.31 and 115,873.58 is: 159,894.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,729.18 : 276,986.31 = 115,873.58 : x
  2. Step 2: Convert to fraction form
    200,729.18/276,986.31 = 115,873.58/x
  3. Step 3: Cross multiply
    200,729.18x = 276,986.31 × 115,873.58
  4. Step 4: Simplify right side
    200,729.18x = 32,095,395,350.69
  5. Step 5: Solve for x
    x = 32,095,395,350.69/200,729.18
  6. Step 6: Final answer
    x = 159,894.02

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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.