Home / 351,620.20-527,430.30-185,732.20

Finding the Fourth Proportional to 351,620.20, 527,430.30 and 185,732.20

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Solution

The fourth proportional to 351,620.20, 527,430.30 and 185,732.20 is: 278,598.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,620.20 : 527,430.30 = 185,732.20 : x
  2. Step 2: Convert to fraction form
    351,620.20/527,430.30 = 185,732.20/x
  3. Step 3: Cross multiply
    351,620.20x = 527,430.30 × 185,732.20
  4. Step 4: Simplify right side
    351,620.20x = 97,960,789,965.66
  5. Step 5: Solve for x
    x = 97,960,789,965.66/351,620.20
  6. Step 6: Final answer
    x = 278,598.30

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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.