Home / 197,654.94-272,653.16-117,003.87

Finding the Fourth Proportional to 197,654.94, 272,653.16 and 117,003.87

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Solution

The fourth proportional to 197,654.94, 272,653.16 and 117,003.87 is: 161,399.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,654.94 : 272,653.16 = 117,003.87 : x
  2. Step 2: Convert to fraction form
    197,654.94/272,653.16 = 117,003.87/x
  3. Step 3: Cross multiply
    197,654.94x = 272,653.16 × 117,003.87
  4. Step 4: Simplify right side
    197,654.94x = 31,901,474,302.71
  5. Step 5: Solve for x
    x = 31,901,474,302.71/197,654.94
  6. Step 6: Final answer
    x = 161,399.83

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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.