Home / 253,096.67-379,501.23-103,161.35

Finding the Fourth Proportional to 253,096.67, 379,501.23 and 103,161.35

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Solution

The fourth proportional to 253,096.67, 379,501.23 and 103,161.35 is: 154,683.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,096.67 : 379,501.23 = 103,161.35 : x
  2. Step 2: Convert to fraction form
    253,096.67/379,501.23 = 103,161.35/x
  3. Step 3: Cross multiply
    253,096.67x = 379,501.23 × 103,161.35
  4. Step 4: Simplify right side
    253,096.67x = 39,149,859,213.46
  5. Step 5: Solve for x
    x = 39,149,859,213.46/253,096.67
  6. Step 6: Final answer
    x = 154,683.42

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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.