Home / 124,190.72-186,139.39-53,092.56

Finding the Fourth Proportional to 124,190.72, 186,139.39 and 53,092.56

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Solution

The fourth proportional to 124,190.72, 186,139.39 and 53,092.56 is: 79,576.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,190.72 : 186,139.39 = 53,092.56 : x
  2. Step 2: Convert to fraction form
    124,190.72/186,139.39 = 53,092.56/x
  3. Step 3: Cross multiply
    124,190.72x = 186,139.39 × 53,092.56
  4. Step 4: Simplify right side
    124,190.72x = 9,882,616,731.94
  5. Step 5: Solve for x
    x = 9,882,616,731.94/124,190.72
  6. Step 6: Final answer
    x = 79,576.13

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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.