Home / 382,905.52-574,620.70-133,587.52

Finding the Fourth Proportional to 382,905.52, 574,620.70 and 133,587.52

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Solution

The fourth proportional to 382,905.52, 574,620.70 and 133,587.52 is: 200,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,905.52 : 574,620.70 = 133,587.52 : x
  2. Step 2: Convert to fraction form
    382,905.52/574,620.70 = 133,587.52/x
  3. Step 3: Cross multiply
    382,905.52x = 574,620.70 × 133,587.52
  4. Step 4: Simplify right side
    382,905.52x = 76,762,154,253.66
  5. Step 5: Solve for x
    x = 76,762,154,253.66/382,905.52
  6. Step 6: Final answer
    x = 200,472.83

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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.