Home / 170,628.27-255,832.79-70,857.33

Finding the Fourth Proportional to 170,628.27, 255,832.79 and 70,857.33

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Solution

The fourth proportional to 170,628.27, 255,832.79 and 70,857.33 is: 106,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,628.27 : 255,832.79 = 70,857.33 : x
  2. Step 2: Convert to fraction form
    170,628.27/255,832.79 = 70,857.33/x
  3. Step 3: Cross multiply
    170,628.27x = 255,832.79 × 70,857.33
  4. Step 4: Simplify right side
    170,628.27x = 18,127,628,071.56
  5. Step 5: Solve for x
    x = 18,127,628,071.56/170,628.27
  6. Step 6: Final answer
    x = 106,240.47

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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.