Home / 194,902.23-268,965.06-105,478.23

Finding the Fourth Proportional to 194,902.23, 268,965.06 and 105,478.23

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Solution

The fourth proportional to 194,902.23, 268,965.06 and 105,478.23 is: 145,559.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,902.23 : 268,965.06 = 105,478.23 : x
  2. Step 2: Convert to fraction form
    194,902.23/268,965.06 = 105,478.23/x
  3. Step 3: Cross multiply
    194,902.23x = 268,965.06 × 105,478.23
  4. Step 4: Simplify right side
    194,902.23x = 28,369,958,460.64
  5. Step 5: Solve for x
    x = 28,369,958,460.64/194,902.23
  6. Step 6: Final answer
    x = 145,559.95

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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.