Home / 145,092.24-217,469.88-82,806.48

Finding the Fourth Proportional to 145,092.24, 217,469.88 and 82,806.48

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Solution

The fourth proportional to 145,092.24, 217,469.88 and 82,806.48 is: 124,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,092.24 : 217,469.88 = 82,806.48 : x
  2. Step 2: Convert to fraction form
    145,092.24/217,469.88 = 82,806.48/x
  3. Step 3: Cross multiply
    145,092.24x = 217,469.88 × 82,806.48
  4. Step 4: Simplify right side
    145,092.24x = 18,007,915,268.82
  5. Step 5: Solve for x
    x = 18,007,915,268.82/145,092.24
  6. Step 6: Final answer
    x = 124,113.57

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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.