Home / 140,214.44-193,493.30-79,783.72

Finding the Fourth Proportional to 140,214.44, 193,493.30 and 79,783.72

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Solution

The fourth proportional to 140,214.44, 193,493.30 and 79,783.72 is: 110,100.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,214.44 : 193,493.30 = 79,783.72 : x
  2. Step 2: Convert to fraction form
    140,214.44/193,493.30 = 79,783.72/x
  3. Step 3: Cross multiply
    140,214.44x = 193,493.30 × 79,783.72
  4. Step 4: Simplify right side
    140,214.44x = 15,437,615,269.08
  5. Step 5: Solve for x
    x = 15,437,615,269.08/140,214.44
  6. Step 6: Final answer
    x = 110,100.04

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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.