Home / 140,553.14-193,963.32-76,891.40

Finding the Fourth Proportional to 140,553.14, 193,963.32 and 76,891.40

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Solution

The fourth proportional to 140,553.14, 193,963.32 and 76,891.40 is: 106,110.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,553.14 : 193,963.32 = 76,891.40 : x
  2. Step 2: Convert to fraction form
    140,553.14/193,963.32 = 76,891.40/x
  3. Step 3: Cross multiply
    140,553.14x = 193,963.32 × 76,891.40
  4. Step 4: Simplify right side
    140,553.14x = 14,914,111,223.45
  5. Step 5: Solve for x
    x = 14,914,111,223.45/140,553.14
  6. Step 6: Final answer
    x = 106,110.12

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1.5x scale

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.