Home / 132,157.42-182,175.96-81,075.58

Finding the Fourth Proportional to 132,157.42, 182,175.96 and 81,075.58

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Solution

The fourth proportional to 132,157.42, 182,175.96 and 81,075.58 is: 111,760.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,157.42 : 182,175.96 = 81,075.58 : x
  2. Step 2: Convert to fraction form
    132,157.42/182,175.96 = 81,075.58/x
  3. Step 3: Cross multiply
    132,157.42x = 182,175.96 × 81,075.58
  4. Step 4: Simplify right side
    132,157.42x = 14,770,021,619.06
  5. Step 5: Solve for x
    x = 14,770,021,619.06/132,157.42
  6. Step 6: Final answer
    x = 111,760.82

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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.