Home / 116,954.19-161,396.06-63,239.31

Finding the Fourth Proportional to 116,954.19, 161,396.06 and 63,239.31

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Solution

The fourth proportional to 116,954.19, 161,396.06 and 63,239.31 is: 87,269.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,954.19 : 161,396.06 = 63,239.31 : x
  2. Step 2: Convert to fraction form
    116,954.19/161,396.06 = 63,239.31/x
  3. Step 3: Cross multiply
    116,954.19x = 161,396.06 × 63,239.31
  4. Step 4: Simplify right side
    116,954.19x = 10,206,575,154.92
  5. Step 5: Solve for x
    x = 10,206,575,154.92/116,954.19
  6. Step 6: Final answer
    x = 87,269.85

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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.