Home / 167,213.24-230,739-99,218.51

Finding the Fourth Proportional to 167,213.24, 230,739 and 99,218.51

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Solution

The fourth proportional to 167,213.24, 230,739 and 99,218.51 is: 136,912.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,213.24 : 230,739 = 99,218.51 : x
  2. Step 2: Convert to fraction form
    167,213.24/230,739 = 99,218.51/x
  3. Step 3: Cross multiply
    167,213.24x = 230,739 × 99,218.51
  4. Step 4: Simplify right side
    167,213.24x = 22,893,579,778.89
  5. Step 5: Solve for x
    x = 22,893,579,778.89/167,213.24
  6. Step 6: Final answer
    x = 136,912.48

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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.