Home / 447,136.48-617,059.92-243,200.08

Finding the Fourth Proportional to 447,136.48, 617,059.92 and 243,200.08

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Solution

The fourth proportional to 447,136.48, 617,059.92 and 243,200.08 is: 335,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,136.48 : 617,059.92 = 243,200.08 : x
  2. Step 2: Convert to fraction form
    447,136.48/617,059.92 = 243,200.08/x
  3. Step 3: Cross multiply
    447,136.48x = 617,059.92 × 243,200.08
  4. Step 4: Simplify right side
    447,136.48x = 150,069,021,908.79
  5. Step 5: Solve for x
    x = 150,069,021,908.79/447,136.48
  6. Step 6: Final answer
    x = 335,622.41

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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.