Home / 197,367.62-272,348.06-111,340.15

Finding the Fourth Proportional to 197,367.62, 272,348.06 and 111,340.15

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Solution

The fourth proportional to 197,367.62, 272,348.06 and 111,340.15 is: 153,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,367.62 : 272,348.06 = 111,340.15 : x
  2. Step 2: Convert to fraction form
    197,367.62/272,348.06 = 111,340.15/x
  3. Step 3: Cross multiply
    197,367.62x = 272,348.06 × 111,340.15
  4. Step 4: Simplify right side
    197,367.62x = 30,323,272,615.04
  5. Step 5: Solve for x
    x = 30,323,272,615.04/197,367.62
  6. Step 6: Final answer
    x = 153,638.54

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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.