Home / 151,579.74-227,167.57-71,638.93

Finding the Fourth Proportional to 151,579.74, 227,167.57 and 71,638.93

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Solution

The fourth proportional to 151,579.74, 227,167.57 and 71,638.93 is: 107,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,579.74 : 227,167.57 = 71,638.93 : x
  2. Step 2: Convert to fraction form
    151,579.74/227,167.57 = 71,638.93/x
  3. Step 3: Cross multiply
    151,579.74x = 227,167.57 × 71,638.93
  4. Step 4: Simplify right side
    151,579.74x = 16,274,042,019.01
  5. Step 5: Solve for x
    x = 16,274,042,019.01/151,579.74
  6. Step 6: Final answer
    x = 107,362.91

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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.