Home / 189,336.74-261,284.68-104,453.80

Finding the Fourth Proportional to 189,336.74, 261,284.68 and 104,453.80

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Solution

The fourth proportional to 189,336.74, 261,284.68 and 104,453.80 is: 144,146.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,336.74 : 261,284.68 = 104,453.80 : x
  2. Step 2: Convert to fraction form
    189,336.74/261,284.68 = 104,453.80/x
  3. Step 3: Cross multiply
    189,336.74x = 261,284.68 × 104,453.80
  4. Step 4: Simplify right side
    189,336.74x = 27,292,177,707.78
  5. Step 5: Solve for x
    x = 27,292,177,707.78/189,336.74
  6. Step 6: Final answer
    x = 144,146.23

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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.