Home / 253,096.17-379,500.48-103,160.85

Finding the Fourth Proportional to 253,096.17, 379,500.48 and 103,160.85

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Solution

The fourth proportional to 253,096.17, 379,500.48 and 103,160.85 is: 154,682.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,096.17 : 379,500.48 = 103,160.85 : x
  2. Step 2: Convert to fraction form
    253,096.17/379,500.48 = 103,160.85/x
  3. Step 3: Cross multiply
    253,096.17x = 379,500.48 × 103,160.85
  4. Step 4: Simplify right side
    253,096.17x = 39,149,592,092.21
  5. Step 5: Solve for x
    x = 39,149,592,092.21/253,096.17
  6. Step 6: Final answer
    x = 154,682.67

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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.