Home / 135,929.76-187,364.86-92,308.60

Finding the Fourth Proportional to 135,929.76, 187,364.86 and 92,308.60

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Solution

The fourth proportional to 135,929.76, 187,364.86 and 92,308.60 is: 127,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,929.76 : 187,364.86 = 92,308.60 : x
  2. Step 2: Convert to fraction form
    135,929.76/187,364.86 = 92,308.60/x
  3. Step 3: Cross multiply
    135,929.76x = 187,364.86 × 92,308.60
  4. Step 4: Simplify right side
    135,929.76x = 17,295,387,915.80
  5. Step 5: Solve for x
    x = 17,295,387,915.80/135,929.76
  6. Step 6: Final answer
    x = 127,237.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.