Home / 214,031.34-320,751.75-161,382.96

Finding the Fourth Proportional to 214,031.34, 320,751.75 and 161,382.96

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Solution

The fourth proportional to 214,031.34, 320,751.75 and 161,382.96 is: 241,851.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,031.34 : 320,751.75 = 161,382.96 : x
  2. Step 2: Convert to fraction form
    214,031.34/320,751.75 = 161,382.96/x
  3. Step 3: Cross multiply
    214,031.34x = 320,751.75 × 161,382.96
  4. Step 4: Simplify right side
    214,031.34x = 51,763,866,840.18
  5. Step 5: Solve for x
    x = 51,763,866,840.18/214,031.34
  6. Step 6: Final answer
    x = 241,851.81

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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.