Home / 207,135.23-285,843.91-116,491.17

Finding the Fourth Proportional to 207,135.23, 285,843.91 and 116,491.17

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Solution

The fourth proportional to 207,135.23, 285,843.91 and 116,491.17 is: 160,756.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,135.23 : 285,843.91 = 116,491.17 : x
  2. Step 2: Convert to fraction form
    207,135.23/285,843.91 = 116,491.17/x
  3. Step 3: Cross multiply
    207,135.23x = 285,843.91 × 116,491.17
  4. Step 4: Simplify right side
    207,135.23x = 33,298,291,513.27
  5. Step 5: Solve for x
    x = 33,298,291,513.27/207,135.23
  6. Step 6: Final answer
    x = 160,756.29

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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.