Home / 217,778.06-326,597.97-69,999.50

Finding the Fourth Proportional to 217,778.06, 326,597.97 and 69,999.50

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Solution

The fourth proportional to 217,778.06, 326,597.97 and 69,999.50 is: 104,977.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,778.06 : 326,597.97 = 69,999.50 : x
  2. Step 2: Convert to fraction form
    217,778.06/326,597.97 = 69,999.50/x
  3. Step 3: Cross multiply
    217,778.06x = 326,597.97 × 69,999.50
  4. Step 4: Simplify right side
    217,778.06x = 22,861,694,601.02
  5. Step 5: Solve for x
    x = 22,861,694,601.02/217,778.06
  6. Step 6: Final answer
    x = 104,977.03

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1.5x scale

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.