Home / 263,694.72-363,898.65-142,835.04

Finding the Fourth Proportional to 263,694.72, 363,898.65 and 142,835.04

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Solution

The fourth proportional to 263,694.72, 363,898.65 and 142,835.04 is: 197,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,694.72 : 363,898.65 = 142,835.04 : x
  2. Step 2: Convert to fraction form
    263,694.72/363,898.65 = 142,835.04/x
  3. Step 3: Cross multiply
    263,694.72x = 363,898.65 × 142,835.04
  4. Step 4: Simplify right side
    263,694.72x = 51,977,478,228.70
  5. Step 5: Solve for x
    x = 51,977,478,228.70/263,694.72
  6. Step 6: Final answer
    x = 197,112.32

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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.