Home / 197,199.22-272,190.63-116,654.71

Finding the Fourth Proportional to 197,199.22, 272,190.63 and 116,654.71

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Solution

The fourth proportional to 197,199.22, 272,190.63 and 116,654.71 is: 161,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,199.22 : 272,190.63 = 116,654.71 : x
  2. Step 2: Convert to fraction form
    197,199.22/272,190.63 = 116,654.71/x
  3. Step 3: Cross multiply
    197,199.22x = 272,190.63 × 116,654.71
  4. Step 4: Simplify right side
    197,199.22x = 31,752,319,007.37
  5. Step 5: Solve for x
    x = 31,752,319,007.37/197,199.22
  6. Step 6: Final answer
    x = 161,016.45

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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.