Home / 154,276.44-212,840.64-96,882

Finding the Fourth Proportional to 154,276.44, 212,840.64 and 96,882

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Solution

The fourth proportional to 154,276.44, 212,840.64 and 96,882 is: 133,658.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,276.44 : 212,840.64 = 96,882 : x
  2. Step 2: Convert to fraction form
    154,276.44/212,840.64 = 96,882/x
  3. Step 3: Cross multiply
    154,276.44x = 212,840.64 × 96,882
  4. Step 4: Simplify right side
    154,276.44x = 20,620,426,884.48
  5. Step 5: Solve for x
    x = 20,620,426,884.48/154,276.44
  6. Step 6: Final answer
    x = 133,658.95

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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.