Home / 245,650.68-367,885.52-140,149.80

Finding the Fourth Proportional to 245,650.68, 367,885.52 and 140,149.80

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Solution

The fourth proportional to 245,650.68, 367,885.52 and 140,149.80 is: 209,887.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,650.68 : 367,885.52 = 140,149.80 : x
  2. Step 2: Convert to fraction form
    245,650.68/367,885.52 = 140,149.80/x
  3. Step 3: Cross multiply
    245,650.68x = 367,885.52 × 140,149.80
  4. Step 4: Simplify right side
    245,650.68x = 51,559,081,350.15
  5. Step 5: Solve for x
    x = 51,559,081,350.15/245,650.68
  6. Step 6: Final answer
    x = 209,887.80

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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.