Home / 181,432.80-271,922.40-92,721.60

Finding the Fourth Proportional to 181,432.80, 271,922.40 and 92,721.60

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Solution

The fourth proportional to 181,432.80, 271,922.40 and 92,721.60 is: 138,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,432.80 : 271,922.40 = 92,721.60 : x
  2. Step 2: Convert to fraction form
    181,432.80/271,922.40 = 92,721.60/x
  3. Step 3: Cross multiply
    181,432.80x = 271,922.40 × 92,721.60
  4. Step 4: Simplify right side
    181,432.80x = 25,213,080,003.84
  5. Step 5: Solve for x
    x = 25,213,080,003.84/181,432.80
  6. Step 6: Final answer
    x = 138,966.49

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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.