Home / 116,913.82-161,341.08-63,198.66

Finding the Fourth Proportional to 116,913.82, 161,341.08 and 63,198.66

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Solution

The fourth proportional to 116,913.82, 161,341.08 and 63,198.66 is: 87,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,913.82 : 161,341.08 = 63,198.66 : x
  2. Step 2: Convert to fraction form
    116,913.82/161,341.08 = 63,198.66/x
  3. Step 3: Cross multiply
    116,913.82x = 161,341.08 × 63,198.66
  4. Step 4: Simplify right side
    116,913.82x = 10,196,540,058.95
  5. Step 5: Solve for x
    x = 10,196,540,058.95/116,913.82
  6. Step 6: Final answer
    x = 87,214.16

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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.