Home / 450,103.50-675,161.73-117,679.50

Finding the Fourth Proportional to 450,103.50, 675,161.73 and 117,679.50

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Solution

The fourth proportional to 450,103.50, 675,161.73 and 117,679.50 is: 176,520.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,103.50 : 675,161.73 = 117,679.50 : x
  2. Step 2: Convert to fraction form
    450,103.50/675,161.73 = 117,679.50/x
  3. Step 3: Cross multiply
    450,103.50x = 675,161.73 × 117,679.50
  4. Step 4: Simplify right side
    450,103.50x = 79,452,694,805.54
  5. Step 5: Solve for x
    x = 79,452,694,805.54/450,103.50
  6. Step 6: Final answer
    x = 176,520.94

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1.5x scale

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.