Home / 263,541.60-363,687.55-142,682.81

Finding the Fourth Proportional to 263,541.60, 363,687.55 and 142,682.81

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Solution

The fourth proportional to 263,541.60, 363,687.55 and 142,682.81 is: 196,902.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,541.60 : 363,687.55 = 142,682.81 : x
  2. Step 2: Convert to fraction form
    263,541.60/363,687.55 = 142,682.81/x
  3. Step 3: Cross multiply
    263,541.60x = 363,687.55 × 142,682.81
  4. Step 4: Simplify right side
    263,541.60x = 51,891,959,420.87
  5. Step 5: Solve for x
    x = 51,891,959,420.87/263,541.60
  6. Step 6: Final answer
    x = 196,902.35

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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.