Home / 194,865.68-268,915.48-105,441.68

Finding the Fourth Proportional to 194,865.68, 268,915.48 and 105,441.68

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Solution

The fourth proportional to 194,865.68, 268,915.48 and 105,441.68 is: 145,509.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,865.68 : 268,915.48 = 105,441.68 : x
  2. Step 2: Convert to fraction form
    194,865.68/268,915.48 = 105,441.68/x
  3. Step 3: Cross multiply
    194,865.68x = 268,915.48 × 105,441.68
  4. Step 4: Simplify right side
    194,865.68x = 28,354,899,989.21
  5. Step 5: Solve for x
    x = 28,354,899,989.21/194,865.68
  6. Step 6: Final answer
    x = 145,509.97

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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.