Home / 184,136.45-275,952.68-139,120.80

Finding the Fourth Proportional to 184,136.45, 275,952.68 and 139,120.80

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Solution

The fourth proportional to 184,136.45, 275,952.68 and 139,120.80 is: 208,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,136.45 : 275,952.68 = 139,120.80 : x
  2. Step 2: Convert to fraction form
    184,136.45/275,952.68 = 139,120.80/x
  3. Step 3: Cross multiply
    184,136.45x = 275,952.68 × 139,120.80
  4. Step 4: Simplify right side
    184,136.45x = 38,390,757,603.74
  5. Step 5: Solve for x
    x = 38,390,757,603.74/184,136.45
  6. Step 6: Final answer
    x = 208,490.81

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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.