Home / 127,729.64-191,594.46-38,983.62

Finding the Fourth Proportional to 127,729.64, 191,594.46 and 38,983.62

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Solution

The fourth proportional to 127,729.64, 191,594.46 and 38,983.62 is: 58,475.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,729.64 : 191,594.46 = 38,983.62 : x
  2. Step 2: Convert to fraction form
    127,729.64/191,594.46 = 38,983.62/x
  3. Step 3: Cross multiply
    127,729.64x = 191,594.46 × 38,983.62
  4. Step 4: Simplify right side
    127,729.64x = 7,469,045,622.75
  5. Step 5: Solve for x
    x = 7,469,045,622.75/127,729.64
  6. Step 6: Final answer
    x = 58,475.43

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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.