Home / 175,315.20-263,102.40-116,131.20

Finding the Fourth Proportional to 175,315.20, 263,102.40 and 116,131.20

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Solution

The fourth proportional to 175,315.20, 263,102.40 and 116,131.20 is: 174,282.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,315.20 : 263,102.40 = 116,131.20 : x
  2. Step 2: Convert to fraction form
    175,315.20/263,102.40 = 116,131.20/x
  3. Step 3: Cross multiply
    175,315.20x = 263,102.40 × 116,131.20
  4. Step 4: Simplify right side
    175,315.20x = 30,554,397,434.88
  5. Step 5: Solve for x
    x = 30,554,397,434.88/175,315.20
  6. Step 6: Final answer
    x = 174,282.65

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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.