Home / 367,021.30-550,402.35-130,371.70

Finding the Fourth Proportional to 367,021.30, 550,402.35 and 130,371.70

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Solution

The fourth proportional to 367,021.30, 550,402.35 and 130,371.70 is: 195,511.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,021.30 : 550,402.35 = 130,371.70 : x
  2. Step 2: Convert to fraction form
    367,021.30/550,402.35 = 130,371.70/x
  3. Step 3: Cross multiply
    367,021.30x = 550,402.35 × 130,371.70
  4. Step 4: Simplify right side
    367,021.30x = 71,756,890,053.50
  5. Step 5: Solve for x
    x = 71,756,890,053.50/367,021.30
  6. Step 6: Final answer
    x = 195,511.51

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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.