Home / 189,033.12-283,588.56-129,896.64

Finding the Fourth Proportional to 189,033.12, 283,588.56 and 129,896.64

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Solution

The fourth proportional to 189,033.12, 283,588.56 and 129,896.64 is: 194,871.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,033.12 : 283,588.56 = 129,896.64 : x
  2. Step 2: Convert to fraction form
    189,033.12/283,588.56 = 129,896.64/x
  3. Step 3: Cross multiply
    189,033.12x = 283,588.56 × 129,896.64
  4. Step 4: Simplify right side
    189,033.12x = 36,837,201,086.44
  5. Step 5: Solve for x
    x = 36,837,201,086.44/189,033.12
  6. Step 6: Final answer
    x = 194,871.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.