Home / 154,524.33-231,905.16-69,161.67

Finding the Fourth Proportional to 154,524.33, 231,905.16 and 69,161.67

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Solution

The fourth proportional to 154,524.33, 231,905.16 and 69,161.67 is: 103,795.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,524.33 : 231,905.16 = 69,161.67 : x
  2. Step 2: Convert to fraction form
    154,524.33/231,905.16 = 69,161.67/x
  3. Step 3: Cross multiply
    154,524.33x = 231,905.16 × 69,161.67
  4. Step 4: Simplify right side
    154,524.33x = 16,038,948,147.22
  5. Step 5: Solve for x
    x = 16,038,948,147.22/154,524.33
  6. Step 6: Final answer
    x = 103,795.62

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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.