Home / 126,690.66-190,086.75-47,827.26

Finding the Fourth Proportional to 126,690.66, 190,086.75 and 47,827.26

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Solution

The fourth proportional to 126,690.66, 190,086.75 and 47,827.26 is: 71,760.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,690.66 : 190,086.75 = 47,827.26 : x
  2. Step 2: Convert to fraction form
    126,690.66/190,086.75 = 47,827.26/x
  3. Step 3: Cross multiply
    126,690.66x = 190,086.75 × 47,827.26
  4. Step 4: Simplify right side
    126,690.66x = 9,091,328,414.81
  5. Step 5: Solve for x
    x = 9,091,328,414.81/126,690.66
  6. Step 6: Final answer
    x = 71,760.05

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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.