Home / 194,911.28-268,977.58-105,487.28

Finding the Fourth Proportional to 194,911.28, 268,977.58 and 105,487.28

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Solution

The fourth proportional to 194,911.28, 268,977.58 and 105,487.28 is: 145,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,911.28 : 268,977.58 = 105,487.28 : x
  2. Step 2: Convert to fraction form
    194,911.28/268,977.58 = 105,487.28/x
  3. Step 3: Cross multiply
    194,911.28x = 268,977.58 × 105,487.28
  4. Step 4: Simplify right side
    194,911.28x = 28,373,713,295.18
  5. Step 5: Solve for x
    x = 28,373,713,295.18/194,911.28
  6. Step 6: Final answer
    x = 145,572.45

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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.