Home / 116,945.42-161,384.58-63,230.31

Finding the Fourth Proportional to 116,945.42, 161,384.58 and 63,230.31

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Solution

The fourth proportional to 116,945.42, 161,384.58 and 63,230.31 is: 87,257.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,945.42 : 161,384.58 = 63,230.31 : x
  2. Step 2: Convert to fraction form
    116,945.42/161,384.58 = 63,230.31/x
  3. Step 3: Cross multiply
    116,945.42x = 161,384.58 × 63,230.31
  4. Step 4: Simplify right side
    116,945.42x = 10,204,396,617.84
  5. Step 5: Solve for x
    x = 10,204,396,617.84/116,945.42
  6. Step 6: Final answer
    x = 87,257.77

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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.