Home / 118,958.04-164,146.96-67,974.08

Finding the Fourth Proportional to 118,958.04, 164,146.96 and 67,974.08

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Solution

The fourth proportional to 118,958.04, 164,146.96 and 67,974.08 is: 93,795.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,958.04 : 164,146.96 = 67,974.08 : x
  2. Step 2: Convert to fraction form
    118,958.04/164,146.96 = 67,974.08/x
  3. Step 3: Cross multiply
    118,958.04x = 164,146.96 × 67,974.08
  4. Step 4: Simplify right side
    118,958.04x = 11,157,737,855.03
  5. Step 5: Solve for x
    x = 11,157,737,855.03/118,958.04
  6. Step 6: Final answer
    x = 93,795.58

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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.