Home / 166,840.73-230,240.31-91,390.49

Finding the Fourth Proportional to 166,840.73, 230,240.31 and 91,390.49

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Solution

The fourth proportional to 166,840.73, 230,240.31 and 91,390.49 is: 126,118.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.73 : 230,240.31 = 91,390.49 : x
  2. Step 2: Convert to fraction form
    166,840.73/230,240.31 = 91,390.49/x
  3. Step 3: Cross multiply
    166,840.73x = 230,240.31 × 91,390.49
  4. Step 4: Simplify right side
    166,840.73x = 21,041,774,291.70
  5. Step 5: Solve for x
    x = 21,041,774,291.70/166,840.73
  6. Step 6: Final answer
    x = 126,118.93

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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.