Home / 140,318.48-210,560.72-51,634.23

Finding the Fourth Proportional to 140,318.48, 210,560.72 and 51,634.23

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Solution

The fourth proportional to 140,318.48, 210,560.72 and 51,634.23 is: 77,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,318.48 : 210,560.72 = 51,634.23 : x
  2. Step 2: Convert to fraction form
    140,318.48/210,560.72 = 51,634.23/x
  3. Step 3: Cross multiply
    140,318.48x = 210,560.72 × 51,634.23
  4. Step 4: Simplify right side
    140,318.48x = 10,872,140,645.45
  5. Step 5: Solve for x
    x = 10,872,140,645.45/140,318.48
  6. Step 6: Final answer
    x = 77,481.89

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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.