Home / 183,955.45-253,950.38-120,390.34

Finding the Fourth Proportional to 183,955.45, 253,950.38 and 120,390.34

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Solution

The fourth proportional to 183,955.45, 253,950.38 and 120,390.34 is: 166,198.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,955.45 : 253,950.38 = 120,390.34 : x
  2. Step 2: Convert to fraction form
    183,955.45/253,950.38 = 120,390.34/x
  3. Step 3: Cross multiply
    183,955.45x = 253,950.38 × 120,390.34
  4. Step 4: Simplify right side
    183,955.45x = 30,573,172,591.33
  5. Step 5: Solve for x
    x = 30,573,172,591.33/183,955.45
  6. Step 6: Final answer
    x = 166,198.79

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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.