Home / 201,450.89-278,097.30-127,900.26

Finding the Fourth Proportional to 201,450.89, 278,097.30 and 127,900.26

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Solution

The fourth proportional to 201,450.89, 278,097.30 and 127,900.26 is: 176,562.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,450.89 : 278,097.30 = 127,900.26 : x
  2. Step 2: Convert to fraction form
    201,450.89/278,097.30 = 127,900.26/x
  3. Step 3: Cross multiply
    201,450.89x = 278,097.30 × 127,900.26
  4. Step 4: Simplify right side
    201,450.89x = 35,568,716,975.30
  5. Step 5: Solve for x
    x = 35,568,716,975.30/201,450.89
  6. Step 6: Final answer
    x = 176,562.72

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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.