Home / 217,777.06-326,596.47-69,998.50

Finding the Fourth Proportional to 217,777.06, 326,596.47 and 69,998.50

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Solution

The fourth proportional to 217,777.06, 326,596.47 and 69,998.50 is: 104,975.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,777.06 : 326,596.47 = 69,998.50 : x
  2. Step 2: Convert to fraction form
    217,777.06/326,596.47 = 69,998.50/x
  3. Step 3: Cross multiply
    217,777.06x = 326,596.47 × 69,998.50
  4. Step 4: Simplify right side
    217,777.06x = 22,861,263,005.30
  5. Step 5: Solve for x
    x = 22,861,263,005.30/217,777.06
  6. Step 6: Final answer
    x = 104,975.53

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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.