Home / 190,091.85-262,338.93-109,517.91

Finding the Fourth Proportional to 190,091.85, 262,338.93 and 109,517.91

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Solution

The fourth proportional to 190,091.85, 262,338.93 and 109,517.91 is: 151,141.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,091.85 : 262,338.93 = 109,517.91 : x
  2. Step 2: Convert to fraction form
    190,091.85/262,338.93 = 109,517.91/x
  3. Step 3: Cross multiply
    190,091.85x = 262,338.93 × 109,517.91
  4. Step 4: Simplify right side
    190,091.85x = 28,730,811,325.24
  5. Step 5: Solve for x
    x = 28,730,811,325.24/190,091.85
  6. Step 6: Final answer
    x = 151,141.73

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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.