Home / 166,840.23-230,239.62-91,389.99

Finding the Fourth Proportional to 166,840.23, 230,239.62 and 91,389.99

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Solution

The fourth proportional to 166,840.23, 230,239.62 and 91,389.99 is: 126,118.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.23 : 230,239.62 = 91,389.99 : x
  2. Step 2: Convert to fraction form
    166,840.23/230,239.62 = 91,389.99/x
  3. Step 3: Cross multiply
    166,840.23x = 230,239.62 × 91,389.99
  4. Step 4: Simplify right side
    166,840.23x = 21,041,596,112.45
  5. Step 5: Solve for x
    x = 21,041,596,112.45/166,840.23
  6. Step 6: Final answer
    x = 126,118.24

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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.