Home / 347,789.10-521,780.85-170,301.90

Finding the Fourth Proportional to 347,789.10, 521,780.85 and 170,301.90

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Solution

The fourth proportional to 347,789.10, 521,780.85 and 170,301.90 is: 255,500.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,789.10 : 521,780.85 = 170,301.90 : x
  2. Step 2: Convert to fraction form
    347,789.10/521,780.85 = 170,301.90/x
  3. Step 3: Cross multiply
    347,789.10x = 521,780.85 × 170,301.90
  4. Step 4: Simplify right side
    347,789.10x = 88,860,270,138.62
  5. Step 5: Solve for x
    x = 88,860,270,138.62/347,789.10
  6. Step 6: Final answer
    x = 255,500.45

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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.