Home / 186,619.20-279,844.56-53,468.98

Finding the Fourth Proportional to 186,619.20, 279,844.56 and 53,468.98

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Solution

The fourth proportional to 186,619.20, 279,844.56 and 53,468.98 is: 80,179.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,619.20 : 279,844.56 = 53,468.98 : x
  2. Step 2: Convert to fraction form
    186,619.20/279,844.56 = 53,468.98/x
  3. Step 3: Cross multiply
    186,619.20x = 279,844.56 × 53,468.98
  4. Step 4: Simplify right side
    186,619.20x = 14,963,003,181.75
  5. Step 5: Solve for x
    x = 14,963,003,181.75/186,619.20
  6. Step 6: Final answer
    x = 80,179.33

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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.