Home / 203,700.62-281,106.96-113,056.63

Finding the Fourth Proportional to 203,700.62, 281,106.96 and 113,056.63

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Solution

The fourth proportional to 203,700.62, 281,106.96 and 113,056.63 is: 156,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,700.62 : 281,106.96 = 113,056.63 : x
  2. Step 2: Convert to fraction form
    203,700.62/281,106.96 = 113,056.63/x
  3. Step 3: Cross multiply
    203,700.62x = 281,106.96 × 113,056.63
  4. Step 4: Simplify right side
    203,700.62x = 31,781,004,161.61
  5. Step 5: Solve for x
    x = 31,781,004,161.61/203,700.62
  6. Step 6: Final answer
    x = 156,018.20

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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.