Home / 234,025.40-322,890.90-149,072.60

Finding the Fourth Proportional to 234,025.40, 322,890.90 and 149,072.60

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Solution

The fourth proportional to 234,025.40, 322,890.90 and 149,072.60 is: 205,679.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,025.40 : 322,890.90 = 149,072.60 : x
  2. Step 2: Convert to fraction form
    234,025.40/322,890.90 = 149,072.60/x
  3. Step 3: Cross multiply
    234,025.40x = 322,890.90 × 149,072.60
  4. Step 4: Simplify right side
    234,025.40x = 48,134,185,979.34
  5. Step 5: Solve for x
    x = 48,134,185,979.34/234,025.40
  6. Step 6: Final answer
    x = 205,679.32

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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.