Home / 132,173.88-182,400.09-71,744.51

Finding the Fourth Proportional to 132,173.88, 182,400.09 and 71,744.51

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Solution

The fourth proportional to 132,173.88, 182,400.09 and 71,744.51 is: 99,007.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.88 : 182,400.09 = 71,744.51 : x
  2. Step 2: Convert to fraction form
    132,173.88/182,400.09 = 71,744.51/x
  3. Step 3: Cross multiply
    132,173.88x = 182,400.09 × 71,744.51
  4. Step 4: Simplify right side
    132,173.88x = 13,086,204,169.01
  5. Step 5: Solve for x
    x = 13,086,204,169.01/132,173.88
  6. Step 6: Final answer
    x = 99,007.49

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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.