Home / 181,283.40-271,891.08-76,103.28

Finding the Fourth Proportional to 181,283.40, 271,891.08 and 76,103.28

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Solution

The fourth proportional to 181,283.40, 271,891.08 and 76,103.28 is: 114,140.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,283.40 : 271,891.08 = 76,103.28 : x
  2. Step 2: Convert to fraction form
    181,283.40/271,891.08 = 76,103.28/x
  3. Step 3: Cross multiply
    181,283.40x = 271,891.08 × 76,103.28
  4. Step 4: Simplify right side
    181,283.40x = 20,691,802,990.74
  5. Step 5: Solve for x
    x = 20,691,802,990.74/181,283.40
  6. Step 6: Final answer
    x = 114,140.64

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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.