Home / 189,004.50-283,507.38-129,660.30

Finding the Fourth Proportional to 189,004.50, 283,507.38 and 129,660.30

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Solution

The fourth proportional to 189,004.50, 283,507.38 and 129,660.30 is: 194,490.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,004.50 : 283,507.38 = 129,660.30 : x
  2. Step 2: Convert to fraction form
    189,004.50/283,507.38 = 129,660.30/x
  3. Step 3: Cross multiply
    189,004.50x = 283,507.38 × 129,660.30
  4. Step 4: Simplify right side
    189,004.50x = 36,759,651,943.01
  5. Step 5: Solve for x
    x = 36,759,651,943.01/189,004.50
  6. Step 6: Final answer
    x = 194,490.88

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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.