Home / 104,308.51-156,400.28-33,200.43

Finding the Fourth Proportional to 104,308.51, 156,400.28 and 33,200.43

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Solution

The fourth proportional to 104,308.51, 156,400.28 and 33,200.43 is: 49,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,308.51 : 156,400.28 = 33,200.43 : x
  2. Step 2: Convert to fraction form
    104,308.51/156,400.28 = 33,200.43/x
  3. Step 3: Cross multiply
    104,308.51x = 156,400.28 × 33,200.43
  4. Step 4: Simplify right side
    104,308.51x = 5,192,556,548.12
  5. Step 5: Solve for x
    x = 5,192,556,548.12/104,308.51
  6. Step 6: Final answer
    x = 49,780.76

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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.