Home / 143,108.37-214,668.63-48,340.80

Finding the Fourth Proportional to 143,108.37, 214,668.63 and 48,340.80

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Solution

The fourth proportional to 143,108.37, 214,668.63 and 48,340.80 is: 72,513.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,108.37 : 214,668.63 = 48,340.80 : x
  2. Step 2: Convert to fraction form
    143,108.37/214,668.63 = 48,340.80/x
  3. Step 3: Cross multiply
    143,108.37x = 214,668.63 × 48,340.80
  4. Step 4: Simplify right side
    143,108.37x = 10,377,253,309.10
  5. Step 5: Solve for x
    x = 10,377,253,309.10/143,108.37
  6. Step 6: Final answer
    x = 72,513.25

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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.