Home / 234,051.32-322,990.38-126,621.44

Finding the Fourth Proportional to 234,051.32, 322,990.38 and 126,621.44

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Solution

The fourth proportional to 234,051.32, 322,990.38 and 126,621.44 is: 174,737.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,051.32 : 322,990.38 = 126,621.44 : x
  2. Step 2: Convert to fraction form
    234,051.32/322,990.38 = 126,621.44/x
  3. Step 3: Cross multiply
    234,051.32x = 322,990.38 × 126,621.44
  4. Step 4: Simplify right side
    234,051.32x = 40,897,507,021.75
  5. Step 5: Solve for x
    x = 40,897,507,021.75/234,051.32
  6. Step 6: Final answer
    x = 174,737.35

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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.