Home / 455,219.20-682,828.80-118,232.20

Finding the Fourth Proportional to 455,219.20, 682,828.80 and 118,232.20

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Solution

The fourth proportional to 455,219.20, 682,828.80 and 118,232.20 is: 177,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,219.20 : 682,828.80 = 118,232.20 : x
  2. Step 2: Convert to fraction form
    455,219.20/682,828.80 = 118,232.20/x
  3. Step 3: Cross multiply
    455,219.20x = 682,828.80 × 118,232.20
  4. Step 4: Simplify right side
    455,219.20x = 80,732,351,247.36
  5. Step 5: Solve for x
    x = 80,732,351,247.36/455,219.20
  6. Step 6: Final answer
    x = 177,348.30

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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.