Home / 619,334.10-929,028.15-170,043.30

Finding the Fourth Proportional to 619,334.10, 929,028.15 and 170,043.30

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Solution

The fourth proportional to 619,334.10, 929,028.15 and 170,043.30 is: 255,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,334.10 : 929,028.15 = 170,043.30 : x
  2. Step 2: Convert to fraction form
    619,334.10/929,028.15 = 170,043.30/x
  3. Step 3: Cross multiply
    619,334.10x = 929,028.15 × 170,043.30
  4. Step 4: Simplify right side
    619,334.10x = 157,975,012,418.90
  5. Step 5: Solve for x
    x = 157,975,012,418.90/619,334.10
  6. Step 6: Final answer
    x = 255,072.36

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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.