Home / 103,091.44-142,269.66-98,367.52

Finding the Fourth Proportional to 103,091.44, 142,269.66 and 98,367.52

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Solution

The fourth proportional to 103,091.44, 142,269.66 and 98,367.52 is: 135,750.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,091.44 : 142,269.66 = 98,367.52 : x
  2. Step 2: Convert to fraction form
    103,091.44/142,269.66 = 98,367.52/x
  3. Step 3: Cross multiply
    103,091.44x = 142,269.66 × 98,367.52
  4. Step 4: Simplify right side
    103,091.44x = 13,994,713,625.44
  5. Step 5: Solve for x
    x = 13,994,713,625.44/103,091.44
  6. Step 6: Final answer
    x = 135,750.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.