Home / 118,907.26-164,089.82-65,192.66

Finding the Fourth Proportional to 118,907.26, 164,089.82 and 65,192.66

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Solution

The fourth proportional to 118,907.26, 164,089.82 and 65,192.66 is: 89,964.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,907.26 : 164,089.82 = 65,192.66 : x
  2. Step 2: Convert to fraction form
    118,907.26/164,089.82 = 65,192.66/x
  3. Step 3: Cross multiply
    118,907.26x = 164,089.82 × 65,192.66
  4. Step 4: Simplify right side
    118,907.26x = 10,697,451,844.72
  5. Step 5: Solve for x
    x = 10,697,451,844.72/118,907.26
  6. Step 6: Final answer
    x = 89,964.67

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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.