Home / 210,945.82-316,383.45-92,585.38

Finding the Fourth Proportional to 210,945.82, 316,383.45 and 92,585.38

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Solution

The fourth proportional to 210,945.82, 316,383.45 and 92,585.38 is: 138,862.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,945.82 : 316,383.45 = 92,585.38 : x
  2. Step 2: Convert to fraction form
    210,945.82/316,383.45 = 92,585.38/x
  3. Step 3: Cross multiply
    210,945.82x = 316,383.45 × 92,585.38
  4. Step 4: Simplify right side
    210,945.82x = 29,292,481,943.96
  5. Step 5: Solve for x
    x = 29,292,481,943.96/210,945.82
  6. Step 6: Final answer
    x = 138,862.59

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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.