Home / 247,566.24-371,399.40-79,081.56

Finding the Fourth Proportional to 247,566.24, 371,399.40 and 79,081.56

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Solution

The fourth proportional to 247,566.24, 371,399.40 and 79,081.56 is: 118,638.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,566.24 : 371,399.40 = 79,081.56 : x
  2. Step 2: Convert to fraction form
    247,566.24/371,399.40 = 79,081.56/x
  3. Step 3: Cross multiply
    247,566.24x = 371,399.40 × 79,081.56
  4. Step 4: Simplify right side
    247,566.24x = 29,370,843,935.06
  5. Step 5: Solve for x
    x = 29,370,843,935.06/247,566.24
  6. Step 6: Final answer
    x = 118,638.32

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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.