Home / 104,977.20-157,465.80-92,511.30

Finding the Fourth Proportional to 104,977.20, 157,465.80 and 92,511.30

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Solution

The fourth proportional to 104,977.20, 157,465.80 and 92,511.30 is: 138,766.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,977.20 : 157,465.80 = 92,511.30 : x
  2. Step 2: Convert to fraction form
    104,977.20/157,465.80 = 92,511.30/x
  3. Step 3: Cross multiply
    104,977.20x = 157,465.80 × 92,511.30
  4. Step 4: Simplify right side
    104,977.20x = 14,567,365,863.54
  5. Step 5: Solve for x
    x = 14,567,365,863.54/104,977.20
  6. Step 6: Final answer
    x = 138,766.95

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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.