Home / 557,136.20-835,607.10-201,967.40

Finding the Fourth Proportional to 557,136.20, 835,607.10 and 201,967.40

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Solution

The fourth proportional to 557,136.20, 835,607.10 and 201,967.40 is: 302,915.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,136.20 : 835,607.10 = 201,967.40 : x
  2. Step 2: Convert to fraction form
    557,136.20/835,607.10 = 201,967.40/x
  3. Step 3: Cross multiply
    557,136.20x = 835,607.10 × 201,967.40
  4. Step 4: Simplify right side
    557,136.20x = 168,765,393,408.54
  5. Step 5: Solve for x
    x = 168,765,393,408.54/557,136.20
  6. Step 6: Final answer
    x = 302,915.86

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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.