Home / 190,314.22-262,623.58-108,639.23

Finding the Fourth Proportional to 190,314.22, 262,623.58 and 108,639.23

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Solution

The fourth proportional to 190,314.22, 262,623.58 and 108,639.23 is: 149,916.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,314.22 : 262,623.58 = 108,639.23 : x
  2. Step 2: Convert to fraction form
    190,314.22/262,623.58 = 108,639.23/x
  3. Step 3: Cross multiply
    190,314.22x = 262,623.58 × 108,639.23
  4. Step 4: Simplify right side
    190,314.22x = 28,531,222,961.94
  5. Step 5: Solve for x
    x = 28,531,222,961.94/190,314.22
  6. Step 6: Final answer
    x = 149,916.40

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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.