Home / 140,674.49-194,133.20-86,958.12

Finding the Fourth Proportional to 140,674.49, 194,133.20 and 86,958.12

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Solution

The fourth proportional to 140,674.49, 194,133.20 and 86,958.12 is: 120,003.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,674.49 : 194,133.20 = 86,958.12 : x
  2. Step 2: Convert to fraction form
    140,674.49/194,133.20 = 86,958.12/x
  3. Step 3: Cross multiply
    140,674.49x = 194,133.20 × 86,958.12
  4. Step 4: Simplify right side
    140,674.49x = 16,881,457,666.79
  5. Step 5: Solve for x
    x = 16,881,457,666.79/140,674.49
  6. Step 6: Final answer
    x = 120,003.69

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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.