Home / 354,436.28-531,563.70-105,059.96

Finding the Fourth Proportional to 354,436.28, 531,563.70 and 105,059.96

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Solution

The fourth proportional to 354,436.28, 531,563.70 and 105,059.96 is: 157,563.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,436.28 : 531,563.70 = 105,059.96 : x
  2. Step 2: Convert to fraction form
    354,436.28/531,563.70 = 105,059.96/x
  3. Step 3: Cross multiply
    354,436.28x = 531,563.70 × 105,059.96
  4. Step 4: Simplify right side
    354,436.28x = 55,846,061,059.45
  5. Step 5: Solve for x
    x = 55,846,061,059.45/354,436.28
  6. Step 6: Final answer
    x = 157,563.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.