Home / 251,948.90-347,676.36-156,453.56

Finding the Fourth Proportional to 251,948.90, 347,676.36 and 156,453.56

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Solution

The fourth proportional to 251,948.90, 347,676.36 and 156,453.56 is: 215,897.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,948.90 : 347,676.36 = 156,453.56 : x
  2. Step 2: Convert to fraction form
    251,948.90/347,676.36 = 156,453.56/x
  3. Step 3: Cross multiply
    251,948.90x = 347,676.36 × 156,453.56
  4. Step 4: Simplify right side
    251,948.90x = 54,395,204,249.84
  5. Step 5: Solve for x
    x = 54,395,204,249.84/251,948.90
  6. Step 6: Final answer
    x = 215,897.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.