Home / 356,711.12-492,261.22-195,562.70

Finding the Fourth Proportional to 356,711.12, 492,261.22 and 195,562.70

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Solution

The fourth proportional to 356,711.12, 492,261.22 and 195,562.70 is: 269,876.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,711.12 : 492,261.22 = 195,562.70 : x
  2. Step 2: Convert to fraction form
    356,711.12/492,261.22 = 195,562.70/x
  3. Step 3: Cross multiply
    356,711.12x = 492,261.22 × 195,562.70
  4. Step 4: Simplify right side
    356,711.12x = 96,267,933,288.49
  5. Step 5: Solve for x
    x = 96,267,933,288.49/356,711.12
  6. Step 6: Final answer
    x = 269,876.46

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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.