Home / 113,848.20-170,772.30-80,605.80

Finding the Fourth Proportional to 113,848.20, 170,772.30 and 80,605.80

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Solution

The fourth proportional to 113,848.20, 170,772.30 and 80,605.80 is: 120,908.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,848.20 : 170,772.30 = 80,605.80 : x
  2. Step 2: Convert to fraction form
    113,848.20/170,772.30 = 80,605.80/x
  3. Step 3: Cross multiply
    113,848.20x = 170,772.30 × 80,605.80
  4. Step 4: Simplify right side
    113,848.20x = 13,765,237,859.34
  5. Step 5: Solve for x
    x = 13,765,237,859.34/113,848.20
  6. Step 6: Final answer
    x = 120,908.70

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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.