Home / 218,451.28-327,567.32-127,296.22

Finding the Fourth Proportional to 218,451.28, 327,567.32 and 127,296.22

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Solution

The fourth proportional to 218,451.28, 327,567.32 and 127,296.22 is: 190,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,451.28 : 327,567.32 = 127,296.22 : x
  2. Step 2: Convert to fraction form
    218,451.28/327,567.32 = 127,296.22/x
  3. Step 3: Cross multiply
    218,451.28x = 327,567.32 × 127,296.22
  4. Step 4: Simplify right side
    218,451.28x = 41,698,079,993.69
  5. Step 5: Solve for x
    x = 41,698,079,993.69/218,451.28
  6. Step 6: Final answer
    x = 190,880.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.