Home / 331,181.09-457,040.94-186,012.42

Finding the Fourth Proportional to 331,181.09, 457,040.94 and 186,012.42

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Solution

The fourth proportional to 331,181.09, 457,040.94 and 186,012.42 is: 256,703.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,181.09 : 457,040.94 = 186,012.42 : x
  2. Step 2: Convert to fraction form
    331,181.09/457,040.94 = 186,012.42/x
  3. Step 3: Cross multiply
    331,181.09x = 457,040.94 × 186,012.42
  4. Step 4: Simplify right side
    331,181.09x = 85,015,291,288.47
  5. Step 5: Solve for x
    x = 85,015,291,288.47/331,181.09
  6. Step 6: Final answer
    x = 256,703.34

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1.5x scale

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.