Home / 113,136.68-156,131.09-62,150.12

Finding the Fourth Proportional to 113,136.68, 156,131.09 and 62,150.12

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Solution

The fourth proportional to 113,136.68, 156,131.09 and 62,150.12 is: 85,768.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,136.68 : 156,131.09 = 62,150.12 : x
  2. Step 2: Convert to fraction form
    113,136.68/156,131.09 = 62,150.12/x
  3. Step 3: Cross multiply
    113,136.68x = 156,131.09 × 62,150.12
  4. Step 4: Simplify right side
    113,136.68x = 9,703,564,887.82
  5. Step 5: Solve for x
    x = 9,703,564,887.82/113,136.68
  6. Step 6: Final answer
    x = 85,768.52

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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.