Home / 455,263.20-682,894.80-118,276.20

Finding the Fourth Proportional to 455,263.20, 682,894.80 and 118,276.20

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Solution

The fourth proportional to 455,263.20, 682,894.80 and 118,276.20 is: 177,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,263.20 : 682,894.80 = 118,276.20 : x
  2. Step 2: Convert to fraction form
    455,263.20/682,894.80 = 118,276.20/x
  3. Step 3: Cross multiply
    455,263.20x = 682,894.80 × 118,276.20
  4. Step 4: Simplify right side
    455,263.20x = 80,770,201,943.76
  5. Step 5: Solve for x
    x = 80,770,201,943.76/455,263.20
  6. Step 6: Final answer
    x = 177,414.30

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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.