Home / 214,015.70-320,947.80-62,181.20

Finding the Fourth Proportional to 214,015.70, 320,947.80 and 62,181.20

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Solution

The fourth proportional to 214,015.70, 320,947.80 and 62,181.20 is: 93,249.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,015.70 : 320,947.80 = 62,181.20 : x
  2. Step 2: Convert to fraction form
    214,015.70/320,947.80 = 62,181.20/x
  3. Step 3: Cross multiply
    214,015.70x = 320,947.80 × 62,181.20
  4. Step 4: Simplify right side
    214,015.70x = 19,956,919,341.36
  5. Step 5: Solve for x
    x = 19,956,919,341.36/214,015.70
  6. Step 6: Final answer
    x = 93,249.79

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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.