Home / 118,973.85-164,197.64-71,227.17

Finding the Fourth Proportional to 118,973.85, 164,197.64 and 71,227.17

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Solution

The fourth proportional to 118,973.85, 164,197.64 and 71,227.17 is: 98,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,973.85 : 164,197.64 = 71,227.17 : x
  2. Step 2: Convert to fraction form
    118,973.85/164,197.64 = 71,227.17/x
  3. Step 3: Cross multiply
    118,973.85x = 164,197.64 × 71,227.17
  4. Step 4: Simplify right side
    118,973.85x = 11,695,332,861.74
  5. Step 5: Solve for x
    x = 11,695,332,861.74/118,973.85
  6. Step 6: Final answer
    x = 98,301.71

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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.