Home / 346,982.64-520,119.40-196,905.96

Finding the Fourth Proportional to 346,982.64, 520,119.40 and 196,905.96

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Solution

The fourth proportional to 346,982.64, 520,119.40 and 196,905.96 is: 295,157.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,982.64 : 520,119.40 = 196,905.96 : x
  2. Step 2: Convert to fraction form
    346,982.64/520,119.40 = 196,905.96/x
  3. Step 3: Cross multiply
    346,982.64x = 520,119.40 × 196,905.96
  4. Step 4: Simplify right side
    346,982.64x = 102,414,609,771.62
  5. Step 5: Solve for x
    x = 102,414,609,771.62/346,982.64
  6. Step 6: Final answer
    x = 295,157.73

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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.