Home / 162,096.30-243,208.26-82,090.38

Finding the Fourth Proportional to 162,096.30, 243,208.26 and 82,090.38

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Solution

The fourth proportional to 162,096.30, 243,208.26 and 82,090.38 is: 123,167.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,096.30 : 243,208.26 = 82,090.38 : x
  2. Step 2: Convert to fraction form
    162,096.30/243,208.26 = 82,090.38/x
  3. Step 3: Cross multiply
    162,096.30x = 243,208.26 × 82,090.38
  4. Step 4: Simplify right side
    162,096.30x = 19,965,058,482.54
  5. Step 5: Solve for x
    x = 19,965,058,482.54/162,096.30
  6. Step 6: Final answer
    x = 123,167.89

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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.