Home / 190,415.46-262,763.22-109,838.19

Finding the Fourth Proportional to 190,415.46, 262,763.22 and 109,838.19

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Solution

The fourth proportional to 190,415.46, 262,763.22 and 109,838.19 is: 151,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,415.46 : 262,763.22 = 109,838.19 : x
  2. Step 2: Convert to fraction form
    190,415.46/262,763.22 = 109,838.19/x
  3. Step 3: Cross multiply
    190,415.46x = 262,763.22 × 109,838.19
  4. Step 4: Simplify right side
    190,415.46x = 28,861,436,483.37
  5. Step 5: Solve for x
    x = 28,861,436,483.37/190,415.46
  6. Step 6: Final answer
    x = 151,570.87

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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.