Home / 190,225.45-262,504.15-109,656.37

Finding the Fourth Proportional to 190,225.45, 262,504.15 and 109,656.37

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Solution

The fourth proportional to 190,225.45, 262,504.15 and 109,656.37 is: 151,321.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,225.45 : 262,504.15 = 109,656.37 : x
  2. Step 2: Convert to fraction form
    190,225.45/262,504.15 = 109,656.37/x
  3. Step 3: Cross multiply
    190,225.45x = 262,504.15 × 109,656.37
  4. Step 4: Simplify right side
    190,225.45x = 28,785,252,198.94
  5. Step 5: Solve for x
    x = 28,785,252,198.94/190,225.45
  6. Step 6: Final answer
    x = 151,321.77

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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.