Home / 166,840.48-230,239.96-91,390.24

Finding the Fourth Proportional to 166,840.48, 230,239.96 and 91,390.24

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Solution

The fourth proportional to 166,840.48, 230,239.96 and 91,390.24 is: 126,118.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,840.48 : 230,239.96 = 91,390.24 : x
  2. Step 2: Convert to fraction form
    166,840.48/230,239.96 = 91,390.24/x
  3. Step 3: Cross multiply
    166,840.48x = 230,239.96 × 91,390.24
  4. Step 4: Simplify right side
    166,840.48x = 21,041,685,201.99
  5. Step 5: Solve for x
    x = 21,041,685,201.99/166,840.48
  6. Step 6: Final answer
    x = 126,118.58

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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.