Home / 157,819.32-236,694.15-45,474.75

Finding the Fourth Proportional to 157,819.32, 236,694.15 and 45,474.75

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Solution

The fourth proportional to 157,819.32, 236,694.15 and 45,474.75 is: 68,202.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,819.32 : 236,694.15 = 45,474.75 : x
  2. Step 2: Convert to fraction form
    157,819.32/236,694.15 = 45,474.75/x
  3. Step 3: Cross multiply
    157,819.32x = 236,694.15 × 45,474.75
  4. Step 4: Simplify right side
    157,819.32x = 10,763,607,297.71
  5. Step 5: Solve for x
    x = 10,763,607,297.71/157,819.32
  6. Step 6: Final answer
    x = 68,202.09

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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.