Home / 118,964.34-164,184.51-71,217.68

Finding the Fourth Proportional to 118,964.34, 164,184.51 and 71,217.68

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Solution

The fourth proportional to 118,964.34, 164,184.51 and 71,217.68 is: 98,288.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,964.34 : 164,184.51 = 71,217.68 : x
  2. Step 2: Convert to fraction form
    118,964.34/164,184.51 = 71,217.68/x
  3. Step 3: Cross multiply
    118,964.34x = 164,184.51 × 71,217.68
  4. Step 4: Simplify right side
    118,964.34x = 11,692,839,483.68
  5. Step 5: Solve for x
    x = 11,692,839,483.68/118,964.34
  6. Step 6: Final answer
    x = 98,288.61

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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.