Home / 110,842.20-166,263.30-77,599.80

Finding the Fourth Proportional to 110,842.20, 166,263.30 and 77,599.80

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Solution

The fourth proportional to 110,842.20, 166,263.30 and 77,599.80 is: 116,399.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,842.20 : 166,263.30 = 77,599.80 : x
  2. Step 2: Convert to fraction form
    110,842.20/166,263.30 = 77,599.80/x
  3. Step 3: Cross multiply
    110,842.20x = 166,263.30 × 77,599.80
  4. Step 4: Simplify right side
    110,842.20x = 12,901,998,827.34
  5. Step 5: Solve for x
    x = 12,901,998,827.34/110,842.20
  6. Step 6: Final answer
    x = 116,399.70

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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.