Home / 203,697.27-281,089.10-113,053.31

Finding the Fourth Proportional to 203,697.27, 281,089.10 and 113,053.31

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Solution

The fourth proportional to 203,697.27, 281,089.10 and 113,053.31 is: 156,006.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,697.27 : 281,089.10 = 113,053.31 : x
  2. Step 2: Convert to fraction form
    203,697.27/281,089.10 = 113,053.31/x
  3. Step 3: Cross multiply
    203,697.27x = 281,089.10 × 113,053.31
  4. Step 4: Simplify right side
    203,697.27x = 31,778,053,159.92
  5. Step 5: Solve for x
    x = 31,778,053,159.92/203,697.27
  6. Step 6: Final answer
    x = 156,006.28

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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.