Home / 363,538.17-545,556.35-126,880.85

Finding the Fourth Proportional to 363,538.17, 545,556.35 and 126,880.85

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Solution

The fourth proportional to 363,538.17, 545,556.35 and 126,880.85 is: 190,408.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,538.17 : 545,556.35 = 126,880.85 : x
  2. Step 2: Convert to fraction form
    363,538.17/545,556.35 = 126,880.85/x
  3. Step 3: Cross multiply
    363,538.17x = 545,556.35 × 126,880.85
  4. Step 4: Simplify right side
    363,538.17x = 69,220,650,048.71
  5. Step 5: Solve for x
    x = 69,220,650,048.71/363,538.17
  6. Step 6: Final answer
    x = 190,408.20

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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.