Home / 197,257.26-272,209.58-111,215.51

Finding the Fourth Proportional to 197,257.26, 272,209.58 and 111,215.51

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Solution

The fourth proportional to 197,257.26, 272,209.58 and 111,215.51 is: 153,474.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,257.26 : 272,209.58 = 111,215.51 : x
  2. Step 2: Convert to fraction form
    197,257.26/272,209.58 = 111,215.51/x
  3. Step 3: Cross multiply
    197,257.26x = 272,209.58 × 111,215.51
  4. Step 4: Simplify right side
    197,257.26x = 30,273,926,787.30
  5. Step 5: Solve for x
    x = 30,273,926,787.30/197,257.26
  6. Step 6: Final answer
    x = 153,474.33

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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.