Home / 189,738.40-261,834.24-104,850.40

Finding the Fourth Proportional to 189,738.40, 261,834.24 and 104,850.40

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Solution

The fourth proportional to 189,738.40, 261,834.24 and 104,850.40 is: 144,690.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,738.40 : 261,834.24 = 104,850.40 : x
  2. Step 2: Convert to fraction form
    189,738.40/261,834.24 = 104,850.40/x
  3. Step 3: Cross multiply
    189,738.40x = 261,834.24 × 104,850.40
  4. Step 4: Simplify right side
    189,738.40x = 27,453,424,797.70
  5. Step 5: Solve for x
    x = 27,453,424,797.70/189,738.40
  6. Step 6: Final answer
    x = 144,690.93

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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.