Home / 116,891.14-161,309.81-63,176.16

Finding the Fourth Proportional to 116,891.14, 161,309.81 and 63,176.16

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Solution

The fourth proportional to 116,891.14, 161,309.81 and 63,176.16 is: 87,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,891.14 : 161,309.81 = 63,176.16 : x
  2. Step 2: Convert to fraction form
    116,891.14/161,309.81 = 63,176.16/x
  3. Step 3: Cross multiply
    116,891.14x = 161,309.81 × 63,176.16
  4. Step 4: Simplify right side
    116,891.14x = 10,190,934,366.13
  5. Step 5: Solve for x
    x = 10,190,934,366.13/116,891.14
  6. Step 6: Final answer
    x = 87,183.12

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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.