Home / 140,093.43-193,334.36-79,669.59

Finding the Fourth Proportional to 140,093.43, 193,334.36 and 79,669.59

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Solution

The fourth proportional to 140,093.43, 193,334.36 and 79,669.59 is: 109,947.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,093.43 : 193,334.36 = 79,669.59 : x
  2. Step 2: Convert to fraction form
    140,093.43/193,334.36 = 79,669.59/x
  3. Step 3: Cross multiply
    140,093.43x = 193,334.36 × 79,669.59
  4. Step 4: Simplify right side
    140,093.43x = 15,402,868,795.76
  5. Step 5: Solve for x
    x = 15,402,868,795.76/140,093.43
  6. Step 6: Final answer
    x = 109,947.12

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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.