Home / 167,309.37-230,887.11-90,828.42

Finding the Fourth Proportional to 167,309.37, 230,887.11 and 90,828.42

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Solution

The fourth proportional to 167,309.37, 230,887.11 and 90,828.42 is: 125,343.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,309.37 : 230,887.11 = 90,828.42 : x
  2. Step 2: Convert to fraction form
    167,309.37/230,887.11 = 90,828.42/x
  3. Step 3: Cross multiply
    167,309.37x = 230,887.11 × 90,828.42
  4. Step 4: Simplify right side
    167,309.37x = 20,971,111,399.67
  5. Step 5: Solve for x
    x = 20,971,111,399.67/167,309.37
  6. Step 6: Final answer
    x = 125,343.32

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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.