Home / 140,622.83-210,962.46-51,876.80

Finding the Fourth Proportional to 140,622.83, 210,962.46 and 51,876.80

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Solution

The fourth proportional to 140,622.83, 210,962.46 and 51,876.80 is: 77,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,622.83 : 210,962.46 = 51,876.80 : x
  2. Step 2: Convert to fraction form
    140,622.83/210,962.46 = 51,876.80/x
  3. Step 3: Cross multiply
    140,622.83x = 210,962.46 × 51,876.80
  4. Step 4: Simplify right side
    140,622.83x = 10,944,057,344.93
  5. Step 5: Solve for x
    x = 10,944,057,344.93/140,622.83
  6. Step 6: Final answer
    x = 77,825.61

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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.