Home / 189,529.88-261,584.64-113,053.73

Finding the Fourth Proportional to 189,529.88, 261,584.64 and 113,053.73

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Solution

The fourth proportional to 189,529.88, 261,584.64 and 113,053.73 is: 156,034.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,529.88 : 261,584.64 = 113,053.73 : x
  2. Step 2: Convert to fraction form
    189,529.88/261,584.64 = 113,053.73/x
  3. Step 3: Cross multiply
    189,529.88x = 261,584.64 × 113,053.73
  4. Step 4: Simplify right side
    189,529.88x = 29,573,117,954.78
  5. Step 5: Solve for x
    x = 29,573,117,954.78/189,529.88
  6. Step 6: Final answer
    x = 156,034.07

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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.