Home / 111,944.12-154,473.36-65,996.60

Finding the Fourth Proportional to 111,944.12, 154,473.36 and 65,996.60

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Solution

The fourth proportional to 111,944.12, 154,473.36 and 65,996.60 is: 91,069.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,944.12 : 154,473.36 = 65,996.60 : x
  2. Step 2: Convert to fraction form
    111,944.12/154,473.36 = 65,996.60/x
  3. Step 3: Cross multiply
    111,944.12x = 154,473.36 × 65,996.60
  4. Step 4: Simplify right side
    111,944.12x = 10,194,716,550.58
  5. Step 5: Solve for x
    x = 10,194,716,550.58/111,944.12
  6. Step 6: Final answer
    x = 91,069.69

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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.