Home / 126,976.16-190,397.68-43,850.40

Finding the Fourth Proportional to 126,976.16, 190,397.68 and 43,850.40

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Solution

The fourth proportional to 126,976.16, 190,397.68 and 43,850.40 is: 65,752.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,976.16 : 190,397.68 = 43,850.40 : x
  2. Step 2: Convert to fraction form
    126,976.16/190,397.68 = 43,850.40/x
  3. Step 3: Cross multiply
    126,976.16x = 190,397.68 × 43,850.40
  4. Step 4: Simplify right side
    126,976.16x = 8,349,014,427.07
  5. Step 5: Solve for x
    x = 8,349,014,427.07/126,976.16
  6. Step 6: Final answer
    x = 65,752.61

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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.