Home / 201,450.39-278,096.61-127,899.76

Finding the Fourth Proportional to 201,450.39, 278,096.61 and 127,899.76

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Solution

The fourth proportional to 201,450.39, 278,096.61 and 127,899.76 is: 176,562.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,450.39 : 278,096.61 = 127,899.76 : x
  2. Step 2: Convert to fraction form
    201,450.39/278,096.61 = 127,899.76/x
  3. Step 3: Cross multiply
    201,450.39x = 278,096.61 × 127,899.76
  4. Step 4: Simplify right side
    201,450.39x = 35,568,489,675.81
  5. Step 5: Solve for x
    x = 35,568,489,675.81/201,450.39
  6. Step 6: Final answer
    x = 176,562.03

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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.