Home / 211,501.92-291,867.62-116,007.78

Finding the Fourth Proportional to 211,501.92, 291,867.62 and 116,007.78

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Solution

The fourth proportional to 211,501.92, 291,867.62 and 116,007.78 is: 160,087.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,501.92 : 291,867.62 = 116,007.78 : x
  2. Step 2: Convert to fraction form
    211,501.92/291,867.62 = 116,007.78/x
  3. Step 3: Cross multiply
    211,501.92x = 291,867.62 × 116,007.78
  4. Step 4: Simplify right side
    211,501.92x = 33,858,914,650.08
  5. Step 5: Solve for x
    x = 33,858,914,650.08/211,501.92
  6. Step 6: Final answer
    x = 160,087.98

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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.