Home / 113,136.55-169,704.67-28,896.80

Finding the Fourth Proportional to 113,136.55, 169,704.67 and 28,896.80

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Solution

The fourth proportional to 113,136.55, 169,704.67 and 28,896.80 is: 43,345.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,136.55 : 169,704.67 = 28,896.80 : x
  2. Step 2: Convert to fraction form
    113,136.55/169,704.67 = 28,896.80/x
  3. Step 3: Cross multiply
    113,136.55x = 169,704.67 × 28,896.80
  4. Step 4: Simplify right side
    113,136.55x = 4,903,921,996.06
  5. Step 5: Solve for x
    x = 4,903,921,996.06/113,136.55
  6. Step 6: Final answer
    x = 43,345.16

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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.