Home / 140,179.35-193,440.74-79,744.31

Finding the Fourth Proportional to 140,179.35, 193,440.74 and 79,744.31

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Solution

The fourth proportional to 140,179.35, 193,440.74 and 79,744.31 is: 110,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,179.35 : 193,440.74 = 79,744.31 : x
  2. Step 2: Convert to fraction form
    140,179.35/193,440.74 = 79,744.31/x
  3. Step 3: Cross multiply
    140,179.35x = 193,440.74 × 79,744.31
  4. Step 4: Simplify right side
    140,179.35x = 15,425,797,569.35
  5. Step 5: Solve for x
    x = 15,425,797,569.35/140,179.35
  6. Step 6: Final answer
    x = 110,043.30

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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.