Home / 140,138.73-193,260.83-92,308.95

Finding the Fourth Proportional to 140,138.73, 193,260.83 and 92,308.95

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Solution

The fourth proportional to 140,138.73, 193,260.83 and 92,308.95 is: 127,300.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,138.73 : 193,260.83 = 92,308.95 : x
  2. Step 2: Convert to fraction form
    140,138.73/193,260.83 = 92,308.95/x
  3. Step 3: Cross multiply
    140,138.73x = 193,260.83 × 92,308.95
  4. Step 4: Simplify right side
    140,138.73x = 17,839,703,831.88
  5. Step 5: Solve for x
    x = 17,839,703,831.88/140,138.73
  6. Step 6: Final answer
    x = 127,300.31

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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.