Home / 197,215.26-272,157.05-106,571.27

Finding the Fourth Proportional to 197,215.26, 272,157.05 and 106,571.27

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Solution

The fourth proportional to 197,215.26, 272,157.05 and 106,571.27 is: 147,068.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,215.26 : 272,157.05 = 106,571.27 : x
  2. Step 2: Convert to fraction form
    197,215.26/272,157.05 = 106,571.27/x
  3. Step 3: Cross multiply
    197,215.26x = 272,157.05 × 106,571.27
  4. Step 4: Simplify right side
    197,215.26x = 29,004,120,564.31
  5. Step 5: Solve for x
    x = 29,004,120,564.31/197,215.26
  6. Step 6: Final answer
    x = 147,068.34

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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.