Home / 356,788.80-492,373.26-195,643.44

Finding the Fourth Proportional to 356,788.80, 492,373.26 and 195,643.44

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Solution

The fourth proportional to 356,788.80, 492,373.26 and 195,643.44 is: 269,990.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,788.80 : 492,373.26 = 195,643.44 : x
  2. Step 2: Convert to fraction form
    356,788.80/492,373.26 = 195,643.44/x
  3. Step 3: Cross multiply
    356,788.80x = 492,373.26 × 195,643.44
  4. Step 4: Simplify right side
    356,788.80x = 96,329,598,350.41
  5. Step 5: Solve for x
    x = 96,329,598,350.41/356,788.80
  6. Step 6: Final answer
    x = 269,990.53

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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.