Home / 190,531.21-262,914.08-109,984.69

Finding the Fourth Proportional to 190,531.21, 262,914.08 and 109,984.69

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Solution

The fourth proportional to 190,531.21, 262,914.08 and 109,984.69 is: 151,767.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,531.21 : 262,914.08 = 109,984.69 : x
  2. Step 2: Convert to fraction form
    190,531.21/262,914.08 = 109,984.69/x
  3. Step 3: Cross multiply
    190,531.21x = 262,914.08 × 109,984.69
  4. Step 4: Simplify right side
    190,531.21x = 28,916,522,194.59
  5. Step 5: Solve for x
    x = 28,916,522,194.59/190,531.21
  6. Step 6: Final answer
    x = 151,767.90

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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.