Home / 186,897.22-280,388.77-53,778.58

Finding the Fourth Proportional to 186,897.22, 280,388.77 and 53,778.58

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Solution

The fourth proportional to 186,897.22, 280,388.77 and 53,778.58 is: 80,680.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,897.22 : 280,388.77 = 53,778.58 : x
  2. Step 2: Convert to fraction form
    186,897.22/280,388.77 = 53,778.58/x
  3. Step 3: Cross multiply
    186,897.22x = 280,388.77 × 53,778.58
  4. Step 4: Simplify right side
    186,897.22x = 15,078,909,898.55
  5. Step 5: Solve for x
    x = 15,078,909,898.55/186,897.22
  6. Step 6: Final answer
    x = 80,680.23

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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.