Home / 143,155.92-214,666.44-53,136.27

Finding the Fourth Proportional to 143,155.92, 214,666.44 and 53,136.27

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Solution

The fourth proportional to 143,155.92, 214,666.44 and 53,136.27 is: 79,679.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,155.92 : 214,666.44 = 53,136.27 : x
  2. Step 2: Convert to fraction form
    143,155.92/214,666.44 = 53,136.27/x
  3. Step 3: Cross multiply
    143,155.92x = 214,666.44 × 53,136.27
  4. Step 4: Simplify right side
    143,155.92x = 11,406,573,716.52
  5. Step 5: Solve for x
    x = 11,406,573,716.52/143,155.92
  6. Step 6: Final answer
    x = 79,679.37

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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.