Home / 118,849.06-164,011.94-65,136.07

Finding the Fourth Proportional to 118,849.06, 164,011.94 and 65,136.07

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Solution

The fourth proportional to 118,849.06, 164,011.94 and 65,136.07 is: 89,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,849.06 : 164,011.94 = 65,136.07 : x
  2. Step 2: Convert to fraction form
    118,849.06/164,011.94 = 65,136.07/x
  3. Step 3: Cross multiply
    118,849.06x = 164,011.94 × 65,136.07
  4. Step 4: Simplify right side
    118,849.06x = 10,683,093,204.68
  5. Step 5: Solve for x
    x = 10,683,093,204.68/118,849.06
  6. Step 6: Final answer
    x = 89,887.91

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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.