Home / 117,559.40-176,339.10-73,163.30

Finding the Fourth Proportional to 117,559.40, 176,339.10 and 73,163.30

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Solution

The fourth proportional to 117,559.40, 176,339.10 and 73,163.30 is: 109,744.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,559.40 : 176,339.10 = 73,163.30 : x
  2. Step 2: Convert to fraction form
    117,559.40/176,339.10 = 73,163.30/x
  3. Step 3: Cross multiply
    117,559.40x = 176,339.10 × 73,163.30
  4. Step 4: Simplify right side
    117,559.40x = 12,901,550,475.03
  5. Step 5: Solve for x
    x = 12,901,550,475.03/117,559.40
  6. Step 6: Final answer
    x = 109,744.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.