Home / 104,713.44-144,439.76-91,316.85

Finding the Fourth Proportional to 104,713.44, 144,439.76 and 91,316.85

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Solution

The fourth proportional to 104,713.44, 144,439.76 and 91,316.85 is: 125,960.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,713.44 : 144,439.76 = 91,316.85 : x
  2. Step 2: Convert to fraction form
    104,713.44/144,439.76 = 91,316.85/x
  3. Step 3: Cross multiply
    104,713.44x = 144,439.76 × 91,316.85
  4. Step 4: Simplify right side
    104,713.44x = 13,189,783,441.37
  5. Step 5: Solve for x
    x = 13,189,783,441.37/104,713.44
  6. Step 6: Final answer
    x = 125,960.75

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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.