Home / 186,784.20-280,178.33-53,665.56

Finding the Fourth Proportional to 186,784.20, 280,178.33 and 53,665.56

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Solution

The fourth proportional to 186,784.20, 280,178.33 and 53,665.56 is: 80,498.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,784.20 : 280,178.33 = 53,665.56 : x
  2. Step 2: Convert to fraction form
    186,784.20/280,178.33 = 53,665.56/x
  3. Step 3: Cross multiply
    186,784.20x = 280,178.33 × 53,665.56
  4. Step 4: Simplify right side
    186,784.20x = 15,035,926,710.99
  5. Step 5: Solve for x
    x = 15,035,926,710.99/186,784.20
  6. Step 6: Final answer
    x = 80,498.92

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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.