Home / 126,744.48-190,116.72-43,632.16

Finding the Fourth Proportional to 126,744.48, 190,116.72 and 43,632.16

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Solution

The fourth proportional to 126,744.48, 190,116.72 and 43,632.16 is: 65,448.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,744.48 : 190,116.72 = 43,632.16 : x
  2. Step 2: Convert to fraction form
    126,744.48/190,116.72 = 43,632.16/x
  3. Step 3: Cross multiply
    126,744.48x = 190,116.72 × 43,632.16
  4. Step 4: Simplify right side
    126,744.48x = 8,295,203,145.72
  5. Step 5: Solve for x
    x = 8,295,203,145.72/126,744.48
  6. Step 6: Final answer
    x = 65,448.24

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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.