Home / 169,828.57-254,857.41-69,986.55

Finding the Fourth Proportional to 169,828.57, 254,857.41 and 69,986.55

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Solution

The fourth proportional to 169,828.57, 254,857.41 and 69,986.55 is: 105,027.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,828.57 : 254,857.41 = 69,986.55 : x
  2. Step 2: Convert to fraction form
    169,828.57/254,857.41 = 69,986.55/x
  3. Step 3: Cross multiply
    169,828.57x = 254,857.41 × 69,986.55
  4. Step 4: Simplify right side
    169,828.57x = 17,836,590,867.84
  5. Step 5: Solve for x
    x = 17,836,590,867.84/169,828.57
  6. Step 6: Final answer
    x = 105,027.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.