Home / 200,701.26-276,991.65-115,816.50

Finding the Fourth Proportional to 200,701.26, 276,991.65 and 115,816.50

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Solution

The fourth proportional to 200,701.26, 276,991.65 and 115,816.50 is: 159,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,701.26 : 276,991.65 = 115,816.50 : x
  2. Step 2: Convert to fraction form
    200,701.26/276,991.65 = 115,816.50/x
  3. Step 3: Cross multiply
    200,701.26x = 276,991.65 × 115,816.50
  4. Step 4: Simplify right side
    200,701.26x = 32,080,203,432.23
  5. Step 5: Solve for x
    x = 32,080,203,432.23/200,701.26
  6. Step 6: Final answer
    x = 159,840.57

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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.