Home / 121,914.63-167,868.33-106,722.27

Finding the Fourth Proportional to 121,914.63, 167,868.33 and 106,722.27

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Solution

The fourth proportional to 121,914.63, 167,868.33 and 106,722.27 is: 146,949.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,914.63 : 167,868.33 = 106,722.27 : x
  2. Step 2: Convert to fraction form
    121,914.63/167,868.33 = 106,722.27/x
  3. Step 3: Cross multiply
    121,914.63x = 167,868.33 × 106,722.27
  4. Step 4: Simplify right side
    121,914.63x = 17,915,289,238.71
  5. Step 5: Solve for x
    x = 17,915,289,238.71/121,914.63
  6. Step 6: Final answer
    x = 146,949.46

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1.5x scale

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.