Home / 167,753.84-231,586.06-129,427.27

Finding the Fourth Proportional to 167,753.84, 231,586.06 and 129,427.27

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Solution

The fourth proportional to 167,753.84, 231,586.06 and 129,427.27 is: 178,675.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,753.84 : 231,586.06 = 129,427.27 : x
  2. Step 2: Convert to fraction form
    167,753.84/231,586.06 = 129,427.27/x
  3. Step 3: Cross multiply
    167,753.84x = 231,586.06 × 129,427.27
  4. Step 4: Simplify right side
    167,753.84x = 29,973,551,220.01
  5. Step 5: Solve for x
    x = 29,973,551,220.01/167,753.84
  6. Step 6: Final answer
    x = 178,675.80

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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.