Home / 104,661.10-156,991.65-103,676.95

Finding the Fourth Proportional to 104,661.10, 156,991.65 and 103,676.95

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Solution

The fourth proportional to 104,661.10, 156,991.65 and 103,676.95 is: 155,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,661.10 : 156,991.65 = 103,676.95 : x
  2. Step 2: Convert to fraction form
    104,661.10/156,991.65 = 103,676.95/x
  3. Step 3: Cross multiply
    104,661.10x = 156,991.65 × 103,676.95
  4. Step 4: Simplify right side
    104,661.10x = 16,276,415,447.47
  5. Step 5: Solve for x
    x = 16,276,415,447.47/104,661.10
  6. Step 6: Final answer
    x = 155,515.43

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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.