Home / 144,936.98-200,015.10-87,568.34

Finding the Fourth Proportional to 144,936.98, 200,015.10 and 87,568.34

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Solution

The fourth proportional to 144,936.98, 200,015.10 and 87,568.34 is: 120,845.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,936.98 : 200,015.10 = 87,568.34 : x
  2. Step 2: Convert to fraction form
    144,936.98/200,015.10 = 87,568.34/x
  3. Step 3: Cross multiply
    144,936.98x = 200,015.10 × 87,568.34
  4. Step 4: Simplify right side
    144,936.98x = 17,514,990,281.93
  5. Step 5: Solve for x
    x = 17,514,990,281.93/144,936.98
  6. Step 6: Final answer
    x = 120,845.56

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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.