Home / 131,076.53-180,915.47-92,796.28

Finding the Fourth Proportional to 131,076.53, 180,915.47 and 92,796.28

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Solution

The fourth proportional to 131,076.53, 180,915.47 and 92,796.28 is: 128,080.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,076.53 : 180,915.47 = 92,796.28 : x
  2. Step 2: Convert to fraction form
    131,076.53/180,915.47 = 92,796.28/x
  3. Step 3: Cross multiply
    131,076.53x = 180,915.47 × 92,796.28
  4. Step 4: Simplify right side
    131,076.53x = 16,788,283,581.80
  5. Step 5: Solve for x
    x = 16,788,283,581.80/131,076.53
  6. Step 6: Final answer
    x = 128,080.01

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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.