Home / 451,930.24-677,899.38-114,971.32

Finding the Fourth Proportional to 451,930.24, 677,899.38 and 114,971.32

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Solution

The fourth proportional to 451,930.24, 677,899.38 and 114,971.32 is: 172,458.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,930.24 : 677,899.38 = 114,971.32 : x
  2. Step 2: Convert to fraction form
    451,930.24/677,899.38 = 114,971.32/x
  3. Step 3: Cross multiply
    451,930.24x = 677,899.38 × 114,971.32
  4. Step 4: Simplify right side
    451,930.24x = 77,938,986,545.78
  5. Step 5: Solve for x
    x = 77,938,986,545.78/451,930.24
  6. Step 6: Final answer
    x = 172,458.00

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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.