Home / 118,979.82-164,218.55-93,087.27

Finding the Fourth Proportional to 118,979.82, 164,218.55 and 93,087.27

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Solution

The fourth proportional to 118,979.82, 164,218.55 and 93,087.27 is: 128,481.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,979.82 : 164,218.55 = 93,087.27 : x
  2. Step 2: Convert to fraction form
    118,979.82/164,218.55 = 93,087.27/x
  3. Step 3: Cross multiply
    118,979.82x = 164,218.55 × 93,087.27
  4. Step 4: Simplify right side
    118,979.82x = 15,286,656,037.42
  5. Step 5: Solve for x
    x = 15,286,656,037.42/118,979.82
  6. Step 6: Final answer
    x = 128,481.08

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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.