Home / 110,254.10-165,211.05-82,041.80

Finding the Fourth Proportional to 110,254.10, 165,211.05 and 82,041.80

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Solution

The fourth proportional to 110,254.10, 165,211.05 and 82,041.80 is: 122,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,254.10 : 165,211.05 = 82,041.80 : x
  2. Step 2: Convert to fraction form
    110,254.10/165,211.05 = 82,041.80/x
  3. Step 3: Cross multiply
    110,254.10x = 165,211.05 × 82,041.80
  4. Step 4: Simplify right side
    110,254.10x = 13,554,211,921.89
  5. Step 5: Solve for x
    x = 13,554,211,921.89/110,254.10
  6. Step 6: Final answer
    x = 122,936.13

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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.