Home / 226,945.40-340,418.10-156,961.40

Finding the Fourth Proportional to 226,945.40, 340,418.10 and 156,961.40

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Solution

The fourth proportional to 226,945.40, 340,418.10 and 156,961.40 is: 235,442.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,945.40 : 340,418.10 = 156,961.40 : x
  2. Step 2: Convert to fraction form
    226,945.40/340,418.10 = 156,961.40/x
  3. Step 3: Cross multiply
    226,945.40x = 340,418.10 × 156,961.40
  4. Step 4: Simplify right side
    226,945.40x = 53,432,501,561.34
  5. Step 5: Solve for x
    x = 53,432,501,561.34/226,945.40
  6. Step 6: Final answer
    x = 235,442.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.