Home / 140,315.14-210,493.54-51,561.71

Finding the Fourth Proportional to 140,315.14, 210,493.54 and 51,561.71

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Solution

The fourth proportional to 140,315.14, 210,493.54 and 51,561.71 is: 77,350.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,315.14 : 210,493.54 = 51,561.71 : x
  2. Step 2: Convert to fraction form
    140,315.14/210,493.54 = 51,561.71/x
  3. Step 3: Cross multiply
    140,315.14x = 210,493.54 × 51,561.71
  4. Step 4: Simplify right side
    140,315.14x = 10,853,407,561.68
  5. Step 5: Solve for x
    x = 10,853,407,561.68/140,315.14
  6. Step 6: Final answer
    x = 77,350.23

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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.