Home / 356,827.55-492,422.69-195,683.78

Finding the Fourth Proportional to 356,827.55, 492,422.69 and 195,683.78

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Solution

The fourth proportional to 356,827.55, 492,422.69 and 195,683.78 is: 270,043.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,827.55 : 492,422.69 = 195,683.78 : x
  2. Step 2: Convert to fraction form
    356,827.55/492,422.69 = 195,683.78/x
  3. Step 3: Cross multiply
    356,827.55x = 492,422.69 × 195,683.78
  4. Step 4: Simplify right side
    356,827.55x = 96,359,135,057.23
  5. Step 5: Solve for x
    x = 96,359,135,057.23/356,827.55
  6. Step 6: Final answer
    x = 270,043.99

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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.