Home / 116,242.66-160,373.61-75,979.68

Finding the Fourth Proportional to 116,242.66, 160,373.61 and 75,979.68

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Solution

The fourth proportional to 116,242.66, 160,373.61 and 75,979.68 is: 104,824.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,242.66 : 160,373.61 = 75,979.68 : x
  2. Step 2: Convert to fraction form
    116,242.66/160,373.61 = 75,979.68/x
  3. Step 3: Cross multiply
    116,242.66x = 160,373.61 × 75,979.68
  4. Step 4: Simplify right side
    116,242.66x = 12,185,135,568.24
  5. Step 5: Solve for x
    x = 12,185,135,568.24/116,242.66
  6. Step 6: Final answer
    x = 104,824.99

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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.