Home / 356,625.25-492,193.26-220,703.00

Finding the Fourth Proportional to 356,625.25, 492,193.26 and 220,703.00

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Solution

The fourth proportional to 356,625.25, 492,193.26 and 220,703.00 is: 304,601.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,625.25 : 492,193.26 = 220,703.00 : x
  2. Step 2: Convert to fraction form
    356,625.25/492,193.26 = 220,703.00/x
  3. Step 3: Cross multiply
    356,625.25x = 492,193.26 × 220,703.00
  4. Step 4: Simplify right side
    356,625.25x = 108,628,526,600.81
  5. Step 5: Solve for x
    x = 108,628,526,600.81/356,625.25
  6. Step 6: Final answer
    x = 304,601.34

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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.