Home / 194,683.63-268,662.90-108,641.69

Finding the Fourth Proportional to 194,683.63, 268,662.90 and 108,641.69

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Solution

The fourth proportional to 194,683.63, 268,662.90 and 108,641.69 is: 149,925.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,683.63 : 268,662.90 = 108,641.69 : x
  2. Step 2: Convert to fraction form
    194,683.63/268,662.90 = 108,641.69/x
  3. Step 3: Cross multiply
    194,683.63x = 268,662.90 × 108,641.69
  4. Step 4: Simplify right side
    194,683.63x = 29,187,990,953.09
  5. Step 5: Solve for x
    x = 29,187,990,953.09/194,683.63
  6. Step 6: Final answer
    x = 149,925.25

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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.