Home / 274,876.38-412,237.80-97,335.72

Finding the Fourth Proportional to 274,876.38, 412,237.80 and 97,335.72

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Solution

The fourth proportional to 274,876.38, 412,237.80 and 97,335.72 is: 145,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,876.38 : 412,237.80 = 97,335.72 : x
  2. Step 2: Convert to fraction form
    274,876.38/412,237.80 = 97,335.72/x
  3. Step 3: Cross multiply
    274,876.38x = 412,237.80 × 97,335.72
  4. Step 4: Simplify right side
    274,876.38x = 40,125,463,074.22
  5. Step 5: Solve for x
    x = 40,125,463,074.22/274,876.38
  6. Step 6: Final answer
    x = 145,976.40

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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.