Home / 140,524.50-210,765.65-51,757.21

Finding the Fourth Proportional to 140,524.50, 210,765.65 and 51,757.21

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Solution

The fourth proportional to 140,524.50, 210,765.65 and 51,757.21 is: 77,628.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,524.50 : 210,765.65 = 51,757.21 : x
  2. Step 2: Convert to fraction form
    140,524.50/210,765.65 = 51,757.21/x
  3. Step 3: Cross multiply
    140,524.50x = 210,765.65 × 51,757.21
  4. Step 4: Simplify right side
    140,524.50x = 10,908,642,012.51
  5. Step 5: Solve for x
    x = 10,908,642,012.51/140,524.50
  6. Step 6: Final answer
    x = 77,628.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.