Home / 167,381.29-230,985.44-90,899.79

Finding the Fourth Proportional to 167,381.29, 230,985.44 and 90,899.79

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Solution

The fourth proportional to 167,381.29, 230,985.44 and 90,899.79 is: 125,441.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,381.29 : 230,985.44 = 90,899.79 : x
  2. Step 2: Convert to fraction form
    167,381.29/230,985.44 = 90,899.79/x
  3. Step 3: Cross multiply
    167,381.29x = 230,985.44 × 90,899.79
  4. Step 4: Simplify right side
    167,381.29x = 20,996,527,989.06
  5. Step 5: Solve for x
    x = 20,996,527,989.06/167,381.29
  6. Step 6: Final answer
    x = 125,441.31

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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.