Home / 135,063.45-202,622.31-40,295.07

Finding the Fourth Proportional to 135,063.45, 202,622.31 and 40,295.07

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Solution

The fourth proportional to 135,063.45, 202,622.31 and 40,295.07 is: 60,450.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,063.45 : 202,622.31 = 40,295.07 : x
  2. Step 2: Convert to fraction form
    135,063.45/202,622.31 = 40,295.07/x
  3. Step 3: Cross multiply
    135,063.45x = 202,622.31 × 40,295.07
  4. Step 4: Simplify right side
    135,063.45x = 8,164,680,165.01
  5. Step 5: Solve for x
    x = 8,164,680,165.01/135,063.45
  6. Step 6: Final answer
    x = 60,450.70

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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.