Home / 197,648.90-272,753.58-107,002.54

Finding the Fourth Proportional to 197,648.90, 272,753.58 and 107,002.54

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Solution

The fourth proportional to 197,648.90, 272,753.58 and 107,002.54 is: 147,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,648.90 : 272,753.58 = 107,002.54 : x
  2. Step 2: Convert to fraction form
    197,648.90/272,753.58 = 107,002.54/x
  3. Step 3: Cross multiply
    197,648.90x = 272,753.58 × 107,002.54
  4. Step 4: Simplify right side
    197,648.90x = 29,185,325,172.21
  5. Step 5: Solve for x
    x = 29,185,325,172.21/197,648.90
  6. Step 6: Final answer
    x = 147,662.48

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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.