Home / 167,754.84-231,587.44-129,428.27

Finding the Fourth Proportional to 167,754.84, 231,587.44 and 129,428.27

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Solution

The fourth proportional to 167,754.84, 231,587.44 and 129,428.27 is: 178,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,754.84 : 231,587.44 = 129,428.27 : x
  2. Step 2: Convert to fraction form
    167,754.84/231,587.44 = 129,428.27/x
  3. Step 3: Cross multiply
    167,754.84x = 231,587.44 × 129,428.27
  4. Step 4: Simplify right side
    167,754.84x = 29,973,961,712.93
  5. Step 5: Solve for x
    x = 29,973,961,712.93/167,754.84
  6. Step 6: Final answer
    x = 178,677.18

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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.