Home / 166,894.36-230,304.54-91,429.72

Finding the Fourth Proportional to 166,894.36, 230,304.54 and 91,429.72

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Solution

The fourth proportional to 166,894.36, 230,304.54 and 91,429.72 is: 126,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,894.36 : 230,304.54 = 91,429.72 : x
  2. Step 2: Convert to fraction form
    166,894.36/230,304.54 = 91,429.72/x
  3. Step 3: Cross multiply
    166,894.36x = 230,304.54 × 91,429.72
  4. Step 4: Simplify right side
    166,894.36x = 21,056,679,606.93
  5. Step 5: Solve for x
    x = 21,056,679,606.93/166,894.36
  6. Step 6: Final answer
    x = 126,167.71

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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.