Home / 118,996.18-164,217.54-73,681.54

Finding the Fourth Proportional to 118,996.18, 164,217.54 and 73,681.54

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Solution

The fourth proportional to 118,996.18, 164,217.54 and 73,681.54 is: 101,682.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,996.18 : 164,217.54 = 73,681.54 : x
  2. Step 2: Convert to fraction form
    118,996.18/164,217.54 = 73,681.54/x
  3. Step 3: Cross multiply
    118,996.18x = 164,217.54 × 73,681.54
  4. Step 4: Simplify right side
    118,996.18x = 12,099,801,242.21
  5. Step 5: Solve for x
    x = 12,099,801,242.21/118,996.18
  6. Step 6: Final answer
    x = 101,682.27

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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.