Home / 457,004.45-685,059.23-190,841.09

Finding the Fourth Proportional to 457,004.45, 685,059.23 and 190,841.09

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Solution

The fourth proportional to 457,004.45, 685,059.23 and 190,841.09 is: 286,074.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,004.45 : 685,059.23 = 190,841.09 : x
  2. Step 2: Convert to fraction form
    457,004.45/685,059.23 = 190,841.09/x
  3. Step 3: Cross multiply
    457,004.45x = 685,059.23 × 190,841.09
  4. Step 4: Simplify right side
    457,004.45x = 130,737,445,788.26
  5. Step 5: Solve for x
    x = 130,737,445,788.26/457,004.45
  6. Step 6: Final answer
    x = 286,074.78

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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.