Home / 104,634.20-156,951.30-52,146.20

Finding the Fourth Proportional to 104,634.20, 156,951.30 and 52,146.20

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Solution

The fourth proportional to 104,634.20, 156,951.30 and 52,146.20 is: 78,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,634.20 : 156,951.30 = 52,146.20 : x
  2. Step 2: Convert to fraction form
    104,634.20/156,951.30 = 52,146.20/x
  3. Step 3: Cross multiply
    104,634.20x = 156,951.30 × 52,146.20
  4. Step 4: Simplify right side
    104,634.20x = 8,184,413,880.06
  5. Step 5: Solve for x
    x = 8,184,413,880.06/104,634.20
  6. Step 6: Final answer
    x = 78,219.30

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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.