Home / 217,777.56-326,597.22-69,999

Finding the Fourth Proportional to 217,777.56, 326,597.22 and 69,999

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Solution

The fourth proportional to 217,777.56, 326,597.22 and 69,999 is: 104,976.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,777.56 : 326,597.22 = 69,999 : x
  2. Step 2: Convert to fraction form
    217,777.56/326,597.22 = 69,999/x
  3. Step 3: Cross multiply
    217,777.56x = 326,597.22 × 69,999
  4. Step 4: Simplify right side
    217,777.56x = 22,861,478,802.78
  5. Step 5: Solve for x
    x = 22,861,478,802.78/217,777.56
  6. Step 6: Final answer
    x = 104,976.28

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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.