Home / 147,788.15-221,713.35-47,940.54

Finding the Fourth Proportional to 147,788.15, 221,713.35 and 47,940.54

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Solution

The fourth proportional to 147,788.15, 221,713.35 and 47,940.54 is: 71,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,788.15 : 221,713.35 = 47,940.54 : x
  2. Step 2: Convert to fraction form
    147,788.15/221,713.35 = 47,940.54/x
  3. Step 3: Cross multiply
    147,788.15x = 221,713.35 × 47,940.54
  4. Step 4: Simplify right side
    147,788.15x = 10,629,058,229.81
  5. Step 5: Solve for x
    x = 10,629,058,229.81/147,788.15
  6. Step 6: Final answer
    x = 71,920.91

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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.