Home / 186,691.36-280,039.92-53,583.52

Finding the Fourth Proportional to 186,691.36, 280,039.92 and 53,583.52

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Solution

The fourth proportional to 186,691.36, 280,039.92 and 53,583.52 is: 80,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,691.36 : 280,039.92 = 53,583.52 : x
  2. Step 2: Convert to fraction form
    186,691.36/280,039.92 = 53,583.52/x
  3. Step 3: Cross multiply
    186,691.36x = 280,039.92 × 53,583.52
  4. Step 4: Simplify right side
    186,691.36x = 15,005,524,654.12
  5. Step 5: Solve for x
    x = 15,005,524,654.12/186,691.36
  6. Step 6: Final answer
    x = 80,376.11

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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.