Home / 140,208.44-193,485.06-79,777.76

Finding the Fourth Proportional to 140,208.44, 193,485.06 and 79,777.76

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Solution

The fourth proportional to 140,208.44, 193,485.06 and 79,777.76 is: 110,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,208.44 : 193,485.06 = 79,777.76 : x
  2. Step 2: Convert to fraction form
    140,208.44/193,485.06 = 79,777.76/x
  3. Step 3: Cross multiply
    140,208.44x = 193,485.06 × 79,777.76
  4. Step 4: Simplify right side
    140,208.44x = 15,435,804,680.27
  5. Step 5: Solve for x
    x = 15,435,804,680.27/140,208.44
  6. Step 6: Final answer
    x = 110,091.84

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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.