Home / 194,213.56-268,004.12-106,981.57

Finding the Fourth Proportional to 194,213.56, 268,004.12 and 106,981.57

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Solution

The fourth proportional to 194,213.56, 268,004.12 and 106,981.57 is: 147,628.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,213.56 : 268,004.12 = 106,981.57 : x
  2. Step 2: Convert to fraction form
    194,213.56/268,004.12 = 106,981.57/x
  3. Step 3: Cross multiply
    194,213.56x = 268,004.12 × 106,981.57
  4. Step 4: Simplify right side
    194,213.56x = 28,671,501,524.07
  5. Step 5: Solve for x
    x = 28,671,501,524.07/194,213.56
  6. Step 6: Final answer
    x = 147,628.73

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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.