Home / 126,741.36-190,105.94-42,502.70

Finding the Fourth Proportional to 126,741.36, 190,105.94 and 42,502.70

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Solution

The fourth proportional to 126,741.36, 190,105.94 and 42,502.70 is: 63,752.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,741.36 : 190,105.94 = 42,502.70 : x
  2. Step 2: Convert to fraction form
    126,741.36/190,105.94 = 42,502.70/x
  3. Step 3: Cross multiply
    126,741.36x = 190,105.94 × 42,502.70
  4. Step 4: Simplify right side
    126,741.36x = 8,080,015,736.04
  5. Step 5: Solve for x
    x = 8,080,015,736.04/126,741.36
  6. Step 6: Final answer
    x = 63,752.00

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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.