Home / 123,321.90-185,039.94-67,095.03

Finding the Fourth Proportional to 123,321.90, 185,039.94 and 67,095.03

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Solution

The fourth proportional to 123,321.90, 185,039.94 and 67,095.03 is: 100,673.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,321.90 : 185,039.94 = 67,095.03 : x
  2. Step 2: Convert to fraction form
    123,321.90/185,039.94 = 67,095.03/x
  3. Step 3: Cross multiply
    123,321.90x = 185,039.94 × 67,095.03
  4. Step 4: Simplify right side
    123,321.90x = 12,415,260,325.50
  5. Step 5: Solve for x
    x = 12,415,260,325.50/123,321.90
  6. Step 6: Final answer
    x = 100,673.61

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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.