Home / 118,903.08-164,086.22-65,186.94

Finding the Fourth Proportional to 118,903.08, 164,086.22 and 65,186.94

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Solution

The fourth proportional to 118,903.08, 164,086.22 and 65,186.94 is: 89,957.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,903.08 : 164,086.22 = 65,186.94 : x
  2. Step 2: Convert to fraction form
    118,903.08/164,086.22 = 65,186.94/x
  3. Step 3: Cross multiply
    118,903.08x = 164,086.22 × 65,186.94
  4. Step 4: Simplify right side
    118,903.08x = 10,696,278,577.97
  5. Step 5: Solve for x
    x = 10,696,278,577.97/118,903.08
  6. Step 6: Final answer
    x = 89,957.96

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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.