Home / 167,142.04-230,652.06-91,689.88

Finding the Fourth Proportional to 167,142.04, 230,652.06 and 91,689.88

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Solution

The fourth proportional to 167,142.04, 230,652.06 and 91,689.88 is: 126,529.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,142.04 : 230,652.06 = 91,689.88 : x
  2. Step 2: Convert to fraction form
    167,142.04/230,652.06 = 91,689.88/x
  3. Step 3: Cross multiply
    167,142.04x = 230,652.06 × 91,689.88
  4. Step 4: Simplify right side
    167,142.04x = 21,148,459,703.15
  5. Step 5: Solve for x
    x = 21,148,459,703.15/167,142.04
  6. Step 6: Final answer
    x = 126,529.86

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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.