Home / 118,025.43-176,912.05-67,315.27

Finding the Fourth Proportional to 118,025.43, 176,912.05 and 67,315.27

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Solution

The fourth proportional to 118,025.43, 176,912.05 and 67,315.27 is: 100,900.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,025.43 : 176,912.05 = 67,315.27 : x
  2. Step 2: Convert to fraction form
    118,025.43/176,912.05 = 67,315.27/x
  3. Step 3: Cross multiply
    118,025.43x = 176,912.05 × 67,315.27
  4. Step 4: Simplify right side
    118,025.43x = 11,908,882,412.00
  5. Step 5: Solve for x
    x = 11,908,882,412.00/118,025.43
  6. Step 6: Final answer
    x = 100,900.99

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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.