Home / 190,212.87-262,493.34-109,639.85

Finding the Fourth Proportional to 190,212.87, 262,493.34 and 109,639.85

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Solution

The fourth proportional to 190,212.87, 262,493.34 and 109,639.85 is: 151,302.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,212.87 : 262,493.34 = 109,639.85 : x
  2. Step 2: Convert to fraction form
    190,212.87/262,493.34 = 109,639.85/x
  3. Step 3: Cross multiply
    190,212.87x = 262,493.34 × 109,639.85
  4. Step 4: Simplify right side
    190,212.87x = 28,779,729,111.13
  5. Step 5: Solve for x
    x = 28,779,729,111.13/190,212.87
  6. Step 6: Final answer
    x = 151,302.74

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