Home / 118,897.11-164,074.45-65,180.29

Finding the Fourth Proportional to 118,897.11, 164,074.45 and 65,180.29

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Solution

The fourth proportional to 118,897.11, 164,074.45 and 65,180.29 is: 89,946.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,897.11 : 164,074.45 = 65,180.29 : x
  2. Step 2: Convert to fraction form
    118,897.11/164,074.45 = 65,180.29/x
  3. Step 3: Cross multiply
    118,897.11x = 164,074.45 × 65,180.29
  4. Step 4: Simplify right side
    118,897.11x = 10,694,419,412.22
  5. Step 5: Solve for x
    x = 10,694,419,412.22/118,897.11
  6. Step 6: Final answer
    x = 89,946.84

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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.