Home / 405,136.27-559,099.34-223,859.94

Finding the Fourth Proportional to 405,136.27, 559,099.34 and 223,859.94

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Solution

The fourth proportional to 405,136.27, 559,099.34 and 223,859.94 is: 308,932.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,136.27 : 559,099.34 = 223,859.94 : x
  2. Step 2: Convert to fraction form
    405,136.27/559,099.34 = 223,859.94/x
  3. Step 3: Cross multiply
    405,136.27x = 559,099.34 × 223,859.94
  4. Step 4: Simplify right side
    405,136.27x = 125,159,945,683.76
  5. Step 5: Solve for x
    x = 125,159,945,683.76/405,136.27
  6. Step 6: Final answer
    x = 308,932.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.