Home / 186,783.14-280,008.27-68,426.79

Finding the Fourth Proportional to 186,783.14, 280,008.27 and 68,426.79

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Solution

The fourth proportional to 186,783.14, 280,008.27 and 68,426.79 is: 102,579.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,783.14 : 280,008.27 = 68,426.79 : x
  2. Step 2: Convert to fraction form
    186,783.14/280,008.27 = 68,426.79/x
  3. Step 3: Cross multiply
    186,783.14x = 280,008.27 × 68,426.79
  4. Step 4: Simplify right side
    186,783.14x = 19,160,067,089.55
  5. Step 5: Solve for x
    x = 19,160,067,089.55/186,783.14
  6. Step 6: Final answer
    x = 102,579.21

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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.