Home / 186,975.63-258,097.86-126,857.43

Finding the Fourth Proportional to 186,975.63, 258,097.86 and 126,857.43

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Solution

The fourth proportional to 186,975.63, 258,097.86 and 126,857.43 is: 175,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,975.63 : 258,097.86 = 126,857.43 : x
  2. Step 2: Convert to fraction form
    186,975.63/258,097.86 = 126,857.43/x
  3. Step 3: Cross multiply
    186,975.63x = 258,097.86 × 126,857.43
  4. Step 4: Simplify right side
    186,975.63x = 32,741,631,208.10
  5. Step 5: Solve for x
    x = 32,741,631,208.10/186,975.63
  6. Step 6: Final answer
    x = 175,111.76

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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.