Home / 140,032.14-193,260.96-79,611.90

Finding the Fourth Proportional to 140,032.14, 193,260.96 and 79,611.90

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Solution

The fourth proportional to 140,032.14, 193,260.96 and 79,611.90 is: 109,873.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,032.14 : 193,260.96 = 79,611.90 : x
  2. Step 2: Convert to fraction form
    140,032.14/193,260.96 = 79,611.90/x
  3. Step 3: Cross multiply
    140,032.14x = 193,260.96 × 79,611.90
  4. Step 4: Simplify right side
    140,032.14x = 15,385,872,221.42
  5. Step 5: Solve for x
    x = 15,385,872,221.42/140,032.14
  6. Step 6: Final answer
    x = 109,873.86

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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.