Home / 196,569.31-294,372.82-91,418.35

Finding the Fourth Proportional to 196,569.31, 294,372.82 and 91,418.35

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Solution

The fourth proportional to 196,569.31, 294,372.82 and 91,418.35 is: 136,903.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,569.31 : 294,372.82 = 91,418.35 : x
  2. Step 2: Convert to fraction form
    196,569.31/294,372.82 = 91,418.35/x
  3. Step 3: Cross multiply
    196,569.31x = 294,372.82 × 91,418.35
  4. Step 4: Simplify right side
    196,569.31x = 26,911,077,489.25
  5. Step 5: Solve for x
    x = 26,911,077,489.25/196,569.31
  6. Step 6: Final answer
    x = 136,903.76

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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.