Home / 113,716.85-156,979.69-73,450.23

Finding the Fourth Proportional to 113,716.85, 156,979.69 and 73,450.23

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Solution

The fourth proportional to 113,716.85, 156,979.69 and 73,450.23 is: 101,393.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,716.85 : 156,979.69 = 73,450.23 : x
  2. Step 2: Convert to fraction form
    113,716.85/156,979.69 = 73,450.23/x
  3. Step 3: Cross multiply
    113,716.85x = 156,979.69 × 73,450.23
  4. Step 4: Simplify right side
    113,716.85x = 11,530,193,563.53
  5. Step 5: Solve for x
    x = 11,530,193,563.53/113,716.85
  6. Step 6: Final answer
    x = 101,393.89

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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.