Home / 104,756.80-144,199.26-91,304.68

Finding the Fourth Proportional to 104,756.80, 144,199.26 and 91,304.68

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Solution

The fourth proportional to 104,756.80, 144,199.26 and 91,304.68 is: 125,682.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,756.80 : 144,199.26 = 91,304.68 : x
  2. Step 2: Convert to fraction form
    104,756.80/144,199.26 = 91,304.68/x
  3. Step 3: Cross multiply
    104,756.80x = 144,199.26 × 91,304.68
  4. Step 4: Simplify right side
    104,756.80x = 13,166,067,290.54
  5. Step 5: Solve for x
    x = 13,166,067,290.54/104,756.80
  6. Step 6: Final answer
    x = 125,682.22

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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.