Home / 331,739.36-457,799.62-186,545.64

Finding the Fourth Proportional to 331,739.36, 457,799.62 and 186,545.64

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Solution

The fourth proportional to 331,739.36, 457,799.62 and 186,545.64 is: 257,432.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,739.36 : 457,799.62 = 186,545.64 : x
  2. Step 2: Convert to fraction form
    331,739.36/457,799.62 = 186,545.64/x
  3. Step 3: Cross multiply
    331,739.36x = 457,799.62 × 186,545.64
  4. Step 4: Simplify right side
    331,739.36x = 85,400,523,104.66
  5. Step 5: Solve for x
    x = 85,400,523,104.66/331,739.36
  6. Step 6: Final answer
    x = 257,432.59

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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.