Home / 162,921.21-244,063.66-77,410.37

Finding the Fourth Proportional to 162,921.21, 244,063.66 and 77,410.37

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Solution

The fourth proportional to 162,921.21, 244,063.66 and 77,410.37 is: 115,964.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,921.21 : 244,063.66 = 77,410.37 : x
  2. Step 2: Convert to fraction form
    162,921.21/244,063.66 = 77,410.37/x
  3. Step 3: Cross multiply
    162,921.21x = 244,063.66 × 77,410.37
  4. Step 4: Simplify right side
    162,921.21x = 18,893,058,224.15
  5. Step 5: Solve for x
    x = 18,893,058,224.15/162,921.21
  6. Step 6: Final answer
    x = 115,964.39

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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.