Home / 186,985.59-280,311.89-68,629.47

Finding the Fourth Proportional to 186,985.59, 280,311.89 and 68,629.47

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Solution

The fourth proportional to 186,985.59, 280,311.89 and 68,629.47 is: 102,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,985.59 : 280,311.89 = 68,629.47 : x
  2. Step 2: Convert to fraction form
    186,985.59/280,311.89 = 68,629.47/x
  3. Step 3: Cross multiply
    186,985.59x = 280,311.89 × 68,629.47
  4. Step 4: Simplify right side
    186,985.59x = 19,237,656,102.25
  5. Step 5: Solve for x
    x = 19,237,656,102.25/186,985.59
  6. Step 6: Final answer
    x = 102,883.09

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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.