Home / 110,068.40-164,665.20-95,439.80

Finding the Fourth Proportional to 110,068.40, 164,665.20 and 95,439.80

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Solution

The fourth proportional to 110,068.40, 164,665.20 and 95,439.80 is: 142,780.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,068.40 : 164,665.20 = 95,439.80 : x
  2. Step 2: Convert to fraction form
    110,068.40/164,665.20 = 95,439.80/x
  3. Step 3: Cross multiply
    110,068.40x = 164,665.20 × 95,439.80
  4. Step 4: Simplify right side
    110,068.40x = 15,715,613,754.96
  5. Step 5: Solve for x
    x = 15,715,613,754.96/110,068.40
  6. Step 6: Final answer
    x = 142,780.43

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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.