Home / 234,372.06-323,430.87-126,939.42

Finding the Fourth Proportional to 234,372.06, 323,430.87 and 126,939.42

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Solution

The fourth proportional to 234,372.06, 323,430.87 and 126,939.42 is: 175,175.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,372.06 : 323,430.87 = 126,939.42 : x
  2. Step 2: Convert to fraction form
    234,372.06/323,430.87 = 126,939.42/x
  3. Step 3: Cross multiply
    234,372.06x = 323,430.87 × 126,939.42
  4. Step 4: Simplify right side
    234,372.06x = 41,056,127,047.90
  5. Step 5: Solve for x
    x = 41,056,127,047.90/234,372.06
  6. Step 6: Final answer
    x = 175,175.01

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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.