Home / 104,199.21-156,323.45-36,721.15

Finding the Fourth Proportional to 104,199.21, 156,323.45 and 36,721.15

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Solution

The fourth proportional to 104,199.21, 156,323.45 and 36,721.15 is: 55,090.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,199.21 : 156,323.45 = 36,721.15 : x
  2. Step 2: Convert to fraction form
    104,199.21/156,323.45 = 36,721.15/x
  3. Step 3: Cross multiply
    104,199.21x = 156,323.45 × 36,721.15
  4. Step 4: Simplify right side
    104,199.21x = 5,740,376,556.96
  5. Step 5: Solve for x
    x = 5,740,376,556.96/104,199.21
  6. Step 6: Final answer
    x = 55,090.40

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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.