Home / 145,727.08-201,099.44-82,063.50

Finding the Fourth Proportional to 145,727.08, 201,099.44 and 82,063.50

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Solution

The fourth proportional to 145,727.08, 201,099.44 and 82,063.50 is: 113,245.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,727.08 : 201,099.44 = 82,063.50 : x
  2. Step 2: Convert to fraction form
    145,727.08/201,099.44 = 82,063.50/x
  3. Step 3: Cross multiply
    145,727.08x = 201,099.44 × 82,063.50
  4. Step 4: Simplify right side
    145,727.08x = 16,502,923,894.44
  5. Step 5: Solve for x
    x = 16,502,923,894.44/145,727.08
  6. Step 6: Final answer
    x = 113,245.42

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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.