Home / 167,485.05-231,130.23-91,004.34

Finding the Fourth Proportional to 167,485.05, 231,130.23 and 91,004.34

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Solution

The fourth proportional to 167,485.05, 231,130.23 and 91,004.34 is: 125,586.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,485.05 : 231,130.23 = 91,004.34 : x
  2. Step 2: Convert to fraction form
    167,485.05/231,130.23 = 91,004.34/x
  3. Step 3: Cross multiply
    167,485.05x = 231,130.23 × 91,004.34
  4. Step 4: Simplify right side
    167,485.05x = 21,033,854,035.20
  5. Step 5: Solve for x
    x = 21,033,854,035.20/167,485.05
  6. Step 6: Final answer
    x = 125,586.46

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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.