Home / 116,973.66-161,233.26-91,434.97

Finding the Fourth Proportional to 116,973.66, 161,233.26 and 91,434.97

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Solution

The fourth proportional to 116,973.66, 161,233.26 and 91,434.97 is: 126,031.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,973.66 : 161,233.26 = 91,434.97 : x
  2. Step 2: Convert to fraction form
    116,973.66/161,233.26 = 91,434.97/x
  3. Step 3: Cross multiply
    116,973.66x = 161,233.26 × 91,434.97
  4. Step 4: Simplify right side
    116,973.66x = 14,742,357,545.14
  5. Step 5: Solve for x
    x = 14,742,357,545.14/116,973.66
  6. Step 6: Final answer
    x = 126,031.43

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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.