Home / 140,512.22-193,907.01-76,850.17

Finding the Fourth Proportional to 140,512.22, 193,907.01 and 76,850.17

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Solution

The fourth proportional to 140,512.22, 193,907.01 and 76,850.17 is: 106,053.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,512.22 : 193,907.01 = 76,850.17 : x
  2. Step 2: Convert to fraction form
    140,512.22/193,907.01 = 76,850.17/x
  3. Step 3: Cross multiply
    140,512.22x = 193,907.01 × 76,850.17
  4. Step 4: Simplify right side
    140,512.22x = 14,901,786,486.11
  5. Step 5: Solve for x
    x = 14,901,786,486.11/140,512.22
  6. Step 6: Final answer
    x = 106,053.31

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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.