Home / 117,455.70-176,183.55-28,708.14

Finding the Fourth Proportional to 117,455.70, 176,183.55 and 28,708.14

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Solution

The fourth proportional to 117,455.70, 176,183.55 and 28,708.14 is: 43,062.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,455.70 : 176,183.55 = 28,708.14 : x
  2. Step 2: Convert to fraction form
    117,455.70/176,183.55 = 28,708.14/x
  3. Step 3: Cross multiply
    117,455.70x = 176,183.55 × 28,708.14
  4. Step 4: Simplify right side
    117,455.70x = 5,057,902,019.10
  5. Step 5: Solve for x
    x = 5,057,902,019.10/117,455.70
  6. Step 6: Final answer
    x = 43,062.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.