Home / 168,733.10-253,136.10-50,416.40

Finding the Fourth Proportional to 168,733.10, 253,136.10 and 50,416.40

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Solution

The fourth proportional to 168,733.10, 253,136.10 and 50,416.40 is: 75,635.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,733.10 : 253,136.10 = 50,416.40 : x
  2. Step 2: Convert to fraction form
    168,733.10/253,136.10 = 50,416.40/x
  3. Step 3: Cross multiply
    168,733.10x = 253,136.10 × 50,416.40
  4. Step 4: Simplify right side
    168,733.10x = 12,762,210,872.04
  5. Step 5: Solve for x
    x = 12,762,210,872.04/168,733.10
  6. Step 6: Final answer
    x = 75,635.49

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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.