Home / 313,267.72-432,309.75-170,027.81

Finding the Fourth Proportional to 313,267.72, 432,309.75 and 170,027.81

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Solution

The fourth proportional to 313,267.72, 432,309.75 and 170,027.81 is: 234,638.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,267.72 : 432,309.75 = 170,027.81 : x
  2. Step 2: Convert to fraction form
    313,267.72/432,309.75 = 170,027.81/x
  3. Step 3: Cross multiply
    313,267.72x = 432,309.75 × 170,027.81
  4. Step 4: Simplify right side
    313,267.72x = 73,504,680,034.15
  5. Step 5: Solve for x
    x = 73,504,680,034.15/313,267.72
  6. Step 6: Final answer
    x = 234,638.54

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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.