Home / 189,049.72-260,900.26-104,166.76

Finding the Fourth Proportional to 189,049.72, 260,900.26 and 104,166.76

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Solution

The fourth proportional to 189,049.72, 260,900.26 and 104,166.76 is: 143,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,049.72 : 260,900.26 = 104,166.76 : x
  2. Step 2: Convert to fraction form
    189,049.72/260,900.26 = 104,166.76/x
  3. Step 3: Cross multiply
    189,049.72x = 260,900.26 × 104,166.76
  4. Step 4: Simplify right side
    189,049.72x = 27,177,134,767.36
  5. Step 5: Solve for x
    x = 27,177,134,767.36/189,049.72
  6. Step 6: Final answer
    x = 143,756.55

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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.