Home / 140,713.51-194,184.96-76,183.45

Finding the Fourth Proportional to 140,713.51, 194,184.96 and 76,183.45

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Solution

The fourth proportional to 140,713.51, 194,184.96 and 76,183.45 is: 105,133.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,713.51 : 194,184.96 = 76,183.45 : x
  2. Step 2: Convert to fraction form
    140,713.51/194,184.96 = 76,183.45/x
  3. Step 3: Cross multiply
    140,713.51x = 194,184.96 × 76,183.45
  4. Step 4: Simplify right side
    140,713.51x = 14,793,680,190.91
  5. Step 5: Solve for x
    x = 14,793,680,190.91/140,713.51
  6. Step 6: Final answer
    x = 105,133.33

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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.