Home / 126,701.58-174,836.31-75,704.16

Finding the Fourth Proportional to 126,701.58, 174,836.31 and 75,704.16

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Solution

The fourth proportional to 126,701.58, 174,836.31 and 75,704.16 is: 104,464.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,701.58 : 174,836.31 = 75,704.16 : x
  2. Step 2: Convert to fraction form
    126,701.58/174,836.31 = 75,704.16/x
  3. Step 3: Cross multiply
    126,701.58x = 174,836.31 × 75,704.16
  4. Step 4: Simplify right side
    126,701.58x = 13,235,835,986.05
  5. Step 5: Solve for x
    x = 13,235,835,986.05/126,701.58
  6. Step 6: Final answer
    x = 104,464.65

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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.