Home / 197,980.93-273,210.33-111,938.48

Finding the Fourth Proportional to 197,980.93, 273,210.33 and 111,938.48

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Solution

The fourth proportional to 197,980.93, 273,210.33 and 111,938.48 is: 154,473.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,980.93 : 273,210.33 = 111,938.48 : x
  2. Step 2: Convert to fraction form
    197,980.93/273,210.33 = 111,938.48/x
  3. Step 3: Cross multiply
    197,980.93x = 273,210.33 × 111,938.48
  4. Step 4: Simplify right side
    197,980.93x = 30,582,749,060.50
  5. Step 5: Solve for x
    x = 30,582,749,060.50/197,980.93
  6. Step 6: Final answer
    x = 154,473.21

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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.