Home / 156,760.80-235,181.70-67,993.98

Finding the Fourth Proportional to 156,760.80, 235,181.70 and 67,993.98

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Solution

The fourth proportional to 156,760.80, 235,181.70 and 67,993.98 is: 102,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,760.80 : 235,181.70 = 67,993.98 : x
  2. Step 2: Convert to fraction form
    156,760.80/235,181.70 = 67,993.98/x
  3. Step 3: Cross multiply
    156,760.80x = 235,181.70 × 67,993.98
  4. Step 4: Simplify right side
    156,760.80x = 15,990,939,806.17
  5. Step 5: Solve for x
    x = 15,990,939,806.17/156,760.80
  6. Step 6: Final answer
    x = 102,008.54

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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.