Home / 126,576.40-189,913.20-124,583.80

Finding the Fourth Proportional to 126,576.40, 189,913.20 and 124,583.80

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Solution

The fourth proportional to 126,576.40, 189,913.20 and 124,583.80 is: 186,923.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,576.40 : 189,913.20 = 124,583.80 : x
  2. Step 2: Convert to fraction form
    126,576.40/189,913.20 = 124,583.80/x
  3. Step 3: Cross multiply
    126,576.40x = 189,913.20 × 124,583.80
  4. Step 4: Simplify right side
    126,576.40x = 23,660,108,126.16
  5. Step 5: Solve for x
    x = 23,660,108,126.16/126,576.40
  6. Step 6: Final answer
    x = 186,923.53

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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.