Home / 234,540.21-323,665.39-127,110.23

Finding the Fourth Proportional to 234,540.21, 323,665.39 and 127,110.23

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Solution

The fourth proportional to 234,540.21, 323,665.39 and 127,110.23 is: 175,412.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,540.21 : 323,665.39 = 127,110.23 : x
  2. Step 2: Convert to fraction form
    234,540.21/323,665.39 = 127,110.23/x
  3. Step 3: Cross multiply
    234,540.21x = 323,665.39 × 127,110.23
  4. Step 4: Simplify right side
    234,540.21x = 41,141,182,165.94
  5. Step 5: Solve for x
    x = 41,141,182,165.94/234,540.21
  6. Step 6: Final answer
    x = 175,412.06

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1.5x scale

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.