Home / 115,928.70-173,893.05-103,462.80

Finding the Fourth Proportional to 115,928.70, 173,893.05 and 103,462.80

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Solution

The fourth proportional to 115,928.70, 173,893.05 and 103,462.80 is: 155,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,928.70 : 173,893.05 = 103,462.80 : x
  2. Step 2: Convert to fraction form
    115,928.70/173,893.05 = 103,462.80/x
  3. Step 3: Cross multiply
    115,928.70x = 173,893.05 × 103,462.80
  4. Step 4: Simplify right side
    115,928.70x = 17,991,461,853.54
  5. Step 5: Solve for x
    x = 17,991,461,853.54/115,928.70
  6. Step 6: Final answer
    x = 155,194.20

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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.