Home / 186,822.94-257,741.58-115,078.54

Finding the Fourth Proportional to 186,822.94, 257,741.58 and 115,078.54

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Solution

The fourth proportional to 186,822.94, 257,741.58 and 115,078.54 is: 158,762.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,822.94 : 257,741.58 = 115,078.54 : x
  2. Step 2: Convert to fraction form
    186,822.94/257,741.58 = 115,078.54/x
  3. Step 3: Cross multiply
    186,822.94x = 257,741.58 × 115,078.54
  4. Step 4: Simplify right side
    186,822.94x = 29,660,524,723.69
  5. Step 5: Solve for x
    x = 29,660,524,723.69/186,822.94
  6. Step 6: Final answer
    x = 158,762.76

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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.