Home / 382,701.24-574,121.52-126,548.46

Finding the Fourth Proportional to 382,701.24, 574,121.52 and 126,548.46

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Solution

The fourth proportional to 382,701.24, 574,121.52 and 126,548.46 is: 189,845.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,701.24 : 574,121.52 = 126,548.46 : x
  2. Step 2: Convert to fraction form
    382,701.24/574,121.52 = 126,548.46/x
  3. Step 3: Cross multiply
    382,701.24x = 574,121.52 × 126,548.46
  4. Step 4: Simplify right side
    382,701.24x = 72,654,194,208.86
  5. Step 5: Solve for x
    x = 72,654,194,208.86/382,701.24
  6. Step 6: Final answer
    x = 189,845.72

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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.