Home / 190,099.86-262,308.44-109,511.61

Finding the Fourth Proportional to 190,099.86, 262,308.44 and 109,511.61

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Solution

The fourth proportional to 190,099.86, 262,308.44 and 109,511.61 is: 151,109.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,099.86 : 262,308.44 = 109,511.61 : x
  2. Step 2: Convert to fraction form
    190,099.86/262,308.44 = 109,511.61/x
  3. Step 3: Cross multiply
    190,099.86x = 262,308.44 × 109,511.61
  4. Step 4: Simplify right side
    190,099.86x = 28,725,819,033.43
  5. Step 5: Solve for x
    x = 28,725,819,033.43/190,099.86
  6. Step 6: Final answer
    x = 151,109.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.