Home / 197,626.48-272,722.69-106,980.12

Finding the Fourth Proportional to 197,626.48, 272,722.69 and 106,980.12

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Solution

The fourth proportional to 197,626.48, 272,722.69 and 106,980.12 is: 147,631.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,626.48 : 272,722.69 = 106,980.12 : x
  2. Step 2: Convert to fraction form
    197,626.48/272,722.69 = 106,980.12/x
  3. Step 3: Cross multiply
    197,626.48x = 272,722.69 × 106,980.12
  4. Step 4: Simplify right side
    197,626.48x = 29,175,906,102.92
  5. Step 5: Solve for x
    x = 29,175,906,102.92/197,626.48
  6. Step 6: Final answer
    x = 147,631.56

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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.