Home / 118,976.13-164,187.05-68,675.13

Finding the Fourth Proportional to 118,976.13, 164,187.05 and 68,675.13

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Solution

The fourth proportional to 118,976.13, 164,187.05 and 68,675.13 is: 94,771.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,976.13 : 164,187.05 = 68,675.13 : x
  2. Step 2: Convert to fraction form
    118,976.13/164,187.05 = 68,675.13/x
  3. Step 3: Cross multiply
    118,976.13x = 164,187.05 × 68,675.13
  4. Step 4: Simplify right side
    118,976.13x = 11,275,567,003.07
  5. Step 5: Solve for x
    x = 11,275,567,003.07/118,976.13
  6. Step 6: Final answer
    x = 94,771.67

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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.