Home / 516,727-775,093.74-142,753.24

Finding the Fourth Proportional to 516,727, 775,093.74 and 142,753.24

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Solution

The fourth proportional to 516,727, 775,093.74 and 142,753.24 is: 214,130.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,727 : 775,093.74 = 142,753.24 : x
  2. Step 2: Convert to fraction form
    516,727/775,093.74 = 142,753.24/x
  3. Step 3: Cross multiply
    516,727x = 775,093.74 × 142,753.24
  4. Step 4: Simplify right side
    516,727x = 110,647,142,688.72
  5. Step 5: Solve for x
    x = 110,647,142,688.72/516,727
  6. Step 6: Final answer
    x = 214,130.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.