Home / 236,097.99-325,815.66-128,667.98

Finding the Fourth Proportional to 236,097.99, 325,815.66 and 128,667.98

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Solution

The fourth proportional to 236,097.99, 325,815.66 and 128,667.98 is: 177,562.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,097.99 : 325,815.66 = 128,667.98 : x
  2. Step 2: Convert to fraction form
    236,097.99/325,815.66 = 128,667.98/x
  3. Step 3: Cross multiply
    236,097.99x = 325,815.66 × 128,667.98
  4. Step 4: Simplify right side
    236,097.99x = 41,922,043,639.11
  5. Step 5: Solve for x
    x = 41,922,043,639.11/236,097.99
  6. Step 6: Final answer
    x = 177,562.05

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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.