Home / 207,135.50-285,844.26-116,491.43

Finding the Fourth Proportional to 207,135.50, 285,844.26 and 116,491.43

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Solution

The fourth proportional to 207,135.50, 285,844.26 and 116,491.43 is: 160,756.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,135.50 : 285,844.26 = 116,491.43 : x
  2. Step 2: Convert to fraction form
    207,135.50/285,844.26 = 116,491.43/x
  3. Step 3: Cross multiply
    207,135.50x = 285,844.26 × 116,491.43
  4. Step 4: Simplify right side
    207,135.50x = 33,298,405,175.47
  5. Step 5: Solve for x
    x = 33,298,405,175.47/207,135.50
  6. Step 6: Final answer
    x = 160,756.64

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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.