Home / 197,604.56-272,720.04-112,738.16

Finding the Fourth Proportional to 197,604.56, 272,720.04 and 112,738.16

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Solution

The fourth proportional to 197,604.56, 272,720.04 and 112,738.16 is: 155,593.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,604.56 : 272,720.04 = 112,738.16 : x
  2. Step 2: Convert to fraction form
    197,604.56/272,720.04 = 112,738.16/x
  3. Step 3: Cross multiply
    197,604.56x = 272,720.04 × 112,738.16
  4. Step 4: Simplify right side
    197,604.56x = 30,745,955,504.73
  5. Step 5: Solve for x
    x = 30,745,955,504.73/197,604.56
  6. Step 6: Final answer
    x = 155,593.35

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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.