Home / 136,476.44-188,332.56-76,043.96

Finding the Fourth Proportional to 136,476.44, 188,332.56 and 76,043.96

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Solution

The fourth proportional to 136,476.44, 188,332.56 and 76,043.96 is: 104,937.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,476.44 : 188,332.56 = 76,043.96 : x
  2. Step 2: Convert to fraction form
    136,476.44/188,332.56 = 76,043.96/x
  3. Step 3: Cross multiply
    136,476.44x = 188,332.56 × 76,043.96
  4. Step 4: Simplify right side
    136,476.44x = 14,321,553,659.34
  5. Step 5: Solve for x
    x = 14,321,553,659.34/136,476.44
  6. Step 6: Final answer
    x = 104,937.92

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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.