Home / 201,581.12-300,876.64-177,961.28

Finding the Fourth Proportional to 201,581.12, 300,876.64 and 177,961.28

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Solution

The fourth proportional to 201,581.12, 300,876.64 and 177,961.28 is: 265,622.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,581.12 : 300,876.64 = 177,961.28 : x
  2. Step 2: Convert to fraction form
    201,581.12/300,876.64 = 177,961.28/x
  3. Step 3: Cross multiply
    201,581.12x = 300,876.64 × 177,961.28
  4. Step 4: Simplify right side
    201,581.12x = 53,544,391,976.50
  5. Step 5: Solve for x
    x = 53,544,391,976.50/201,581.12
  6. Step 6: Final answer
    x = 265,622.06

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.