Home / 170,276.71-255,185.43-86,096.26

Finding the Fourth Proportional to 170,276.71, 255,185.43 and 86,096.26

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Solution

The fourth proportional to 170,276.71, 255,185.43 and 86,096.26 is: 129,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,276.71 : 255,185.43 = 86,096.26 : x
  2. Step 2: Convert to fraction form
    170,276.71/255,185.43 = 86,096.26/x
  3. Step 3: Cross multiply
    170,276.71x = 255,185.43 × 86,096.26
  4. Step 4: Simplify right side
    170,276.71x = 21,970,511,129.49
  5. Step 5: Solve for x
    x = 21,970,511,129.49/170,276.71
  6. Step 6: Final answer
    x = 129,028.28

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1.5x scale

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.