Home / 134,118.75-185,087.21-73,693.31

Finding the Fourth Proportional to 134,118.75, 185,087.21 and 73,693.31

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Solution

The fourth proportional to 134,118.75, 185,087.21 and 73,693.31 is: 101,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,118.75 : 185,087.21 = 73,693.31 : x
  2. Step 2: Convert to fraction form
    134,118.75/185,087.21 = 73,693.31/x
  3. Step 3: Cross multiply
    134,118.75x = 185,087.21 × 73,693.31
  4. Step 4: Simplify right side
    134,118.75x = 13,639,689,143.57
  5. Step 5: Solve for x
    x = 13,639,689,143.57/134,118.75
  6. Step 6: Final answer
    x = 101,698.60

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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.