Home / 143,208.14-214,783.98-136,094.48

Finding the Fourth Proportional to 143,208.14, 214,783.98 and 136,094.48

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Solution

The fourth proportional to 143,208.14, 214,783.98 and 136,094.48 is: 204,114.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,208.14 : 214,783.98 = 136,094.48 : x
  2. Step 2: Convert to fraction form
    143,208.14/214,783.98 = 136,094.48/x
  3. Step 3: Cross multiply
    143,208.14x = 214,783.98 × 136,094.48
  4. Step 4: Simplify right side
    143,208.14x = 29,230,914,070.43
  5. Step 5: Solve for x
    x = 29,230,914,070.43/143,208.14
  6. Step 6: Final answer
    x = 204,114.89

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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.