Home / 116,973.39-161,233.70-91,434.63

Finding the Fourth Proportional to 116,973.39, 161,233.70 and 91,434.63

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Solution

The fourth proportional to 116,973.39, 161,233.70 and 91,434.63 is: 126,031.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,973.39 : 161,233.70 = 91,434.63 : x
  2. Step 2: Convert to fraction form
    116,973.39/161,233.70 = 91,434.63/x
  3. Step 3: Cross multiply
    116,973.39x = 161,233.70 × 91,434.63
  4. Step 4: Simplify right side
    116,973.39x = 14,742,343,245.86
  5. Step 5: Solve for x
    x = 14,742,343,245.86/116,973.39
  6. Step 6: Final answer
    x = 126,031.60

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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.