Home / 104,716.07-144,443.37-91,319.48

Finding the Fourth Proportional to 104,716.07, 144,443.37 and 91,319.48

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Solution

The fourth proportional to 104,716.07, 144,443.37 and 91,319.48 is: 125,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,716.07 : 144,443.37 = 91,319.48 : x
  2. Step 2: Convert to fraction form
    104,716.07/144,443.37 = 91,319.48/x
  3. Step 3: Cross multiply
    104,716.07x = 144,443.37 × 91,319.48
  4. Step 4: Simplify right side
    104,716.07x = 13,190,493,437.85
  5. Step 5: Solve for x
    x = 13,190,493,437.85/104,716.07
  6. Step 6: Final answer
    x = 125,964.37

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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.