Home / 104,256.99-156,386.33-68,263.79

Finding the Fourth Proportional to 104,256.99, 156,386.33 and 68,263.79

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Solution

The fourth proportional to 104,256.99, 156,386.33 and 68,263.79 is: 102,396.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,256.99 : 156,386.33 = 68,263.79 : x
  2. Step 2: Convert to fraction form
    104,256.99/156,386.33 = 68,263.79/x
  3. Step 3: Cross multiply
    104,256.99x = 156,386.33 × 68,263.79
  4. Step 4: Simplify right side
    104,256.99x = 10,675,523,450.55
  5. Step 5: Solve for x
    x = 10,675,523,450.55/104,256.99
  6. Step 6: Final answer
    x = 102,396.24

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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.