Home / 182,137.80-272,915.10-115,458.60

Finding the Fourth Proportional to 182,137.80, 272,915.10 and 115,458.60

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Solution

The fourth proportional to 182,137.80, 272,915.10 and 115,458.60 is: 173,003.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,137.80 : 272,915.10 = 115,458.60 : x
  2. Step 2: Convert to fraction form
    182,137.80/272,915.10 = 115,458.60/x
  3. Step 3: Cross multiply
    182,137.80x = 272,915.10 × 115,458.60
  4. Step 4: Simplify right side
    182,137.80x = 31,510,395,364.86
  5. Step 5: Solve for x
    x = 31,510,395,364.86/182,137.80
  6. Step 6: Final answer
    x = 173,003.05

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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.