Home / 121,220.14-167,273.07-70,216.56

Finding the Fourth Proportional to 121,220.14, 167,273.07 and 70,216.56

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Solution

The fourth proportional to 121,220.14, 167,273.07 and 70,216.56 is: 96,892.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,220.14 : 167,273.07 = 70,216.56 : x
  2. Step 2: Convert to fraction form
    121,220.14/167,273.07 = 70,216.56/x
  3. Step 3: Cross multiply
    121,220.14x = 167,273.07 × 70,216.56
  4. Step 4: Simplify right side
    121,220.14x = 11,745,339,556.04
  5. Step 5: Solve for x
    x = 11,745,339,556.04/121,220.14
  6. Step 6: Final answer
    x = 96,892.64

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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.