Home / 145,748.76-201,128.04-82,092.48

Finding the Fourth Proportional to 145,748.76, 201,128.04 and 82,092.48

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Solution

The fourth proportional to 145,748.76, 201,128.04 and 82,092.48 is: 113,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,748.76 : 201,128.04 = 82,092.48 : x
  2. Step 2: Convert to fraction form
    145,748.76/201,128.04 = 82,092.48/x
  3. Step 3: Cross multiply
    145,748.76x = 201,128.04 × 82,092.48
  4. Step 4: Simplify right side
    145,748.76x = 16,511,099,601.14
  5. Step 5: Solve for x
    x = 16,511,099,601.14/145,748.76
  6. Step 6: Final answer
    x = 113,284.67

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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.