Home / 236,157.30-325,891.89-128,723.22

Finding the Fourth Proportional to 236,157.30, 325,891.89 and 128,723.22

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Solution

The fourth proportional to 236,157.30, 325,891.89 and 128,723.22 is: 177,635.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,157.30 : 325,891.89 = 128,723.22 : x
  2. Step 2: Convert to fraction form
    236,157.30/325,891.89 = 128,723.22/x
  3. Step 3: Cross multiply
    236,157.30x = 325,891.89 × 128,723.22
  4. Step 4: Simplify right side
    236,157.30x = 41,949,853,452.69
  5. Step 5: Solve for x
    x = 41,949,853,452.69/236,157.30
  6. Step 6: Final answer
    x = 177,635.22

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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.