Home / 263,619.10-363,793.79-142,760.01

Finding the Fourth Proportional to 263,619.10, 363,793.79 and 142,760.01

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Solution

The fourth proportional to 263,619.10, 363,793.79 and 142,760.01 is: 197,008.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,619.10 : 363,793.79 = 142,760.01 : x
  2. Step 2: Convert to fraction form
    263,619.10/363,793.79 = 142,760.01/x
  3. Step 3: Cross multiply
    263,619.10x = 363,793.79 × 142,760.01
  4. Step 4: Simplify right side
    263,619.10x = 51,935,205,455.24
  5. Step 5: Solve for x
    x = 51,935,205,455.24/263,619.10
  6. Step 6: Final answer
    x = 197,008.51

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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.