Home / 251,502.26-378,015.57-166,403.37

Finding the Fourth Proportional to 251,502.26, 378,015.57 and 166,403.37

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Solution

The fourth proportional to 251,502.26, 378,015.57 and 166,403.37 is: 250,109.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,502.26 : 378,015.57 = 166,403.37 : x
  2. Step 2: Convert to fraction form
    251,502.26/378,015.57 = 166,403.37/x
  3. Step 3: Cross multiply
    251,502.26x = 378,015.57 × 166,403.37
  4. Step 4: Simplify right side
    251,502.26x = 62,903,064,448.46
  5. Step 5: Solve for x
    x = 62,903,064,448.46/251,502.26
  6. Step 6: Final answer
    x = 250,109.34

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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.