Home / 194,911.52-268,977.94-105,487.52

Finding the Fourth Proportional to 194,911.52, 268,977.94 and 105,487.52

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Solution

The fourth proportional to 194,911.52, 268,977.94 and 105,487.52 is: 145,572.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,911.52 : 268,977.94 = 105,487.52 : x
  2. Step 2: Convert to fraction form
    194,911.52/268,977.94 = 105,487.52/x
  3. Step 3: Cross multiply
    194,911.52x = 268,977.94 × 105,487.52
  4. Step 4: Simplify right side
    194,911.52x = 28,373,815,825.31
  5. Step 5: Solve for x
    x = 28,373,815,825.31/194,911.52
  6. Step 6: Final answer
    x = 145,572.80

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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.