Home / 190,431.22-262,790.61-109,858.90

Finding the Fourth Proportional to 190,431.22, 262,790.61 and 109,858.90

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Solution

The fourth proportional to 190,431.22, 262,790.61 and 109,858.90 is: 151,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,431.22 : 262,790.61 = 109,858.90 : x
  2. Step 2: Convert to fraction form
    190,431.22/262,790.61 = 109,858.90/x
  3. Step 3: Cross multiply
    190,431.22x = 262,790.61 × 109,858.90
  4. Step 4: Simplify right side
    190,431.22x = 28,869,887,344.93
  5. Step 5: Solve for x
    x = 28,869,887,344.93/190,431.22
  6. Step 6: Final answer
    x = 151,602.70

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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.