Home / 104,200.78-156,301.14-25,314.46

Finding the Fourth Proportional to 104,200.78, 156,301.14 and 25,314.46

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Solution

The fourth proportional to 104,200.78, 156,301.14 and 25,314.46 is: 37,971.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,200.78 : 156,301.14 = 25,314.46 : x
  2. Step 2: Convert to fraction form
    104,200.78/156,301.14 = 25,314.46/x
  3. Step 3: Cross multiply
    104,200.78x = 156,301.14 × 25,314.46
  4. Step 4: Simplify right side
    104,200.78x = 3,956,678,956.48
  5. Step 5: Solve for x
    x = 3,956,678,956.48/104,200.78
  6. Step 6: Final answer
    x = 37,971.68

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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.