Home / 141,486.21-212,180.09-52,691.27

Finding the Fourth Proportional to 141,486.21, 212,180.09 and 52,691.27

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Solution

The fourth proportional to 141,486.21, 212,180.09 and 52,691.27 is: 79,018.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,486.21 : 212,180.09 = 52,691.27 : x
  2. Step 2: Convert to fraction form
    141,486.21/212,180.09 = 52,691.27/x
  3. Step 3: Cross multiply
    141,486.21x = 212,180.09 × 52,691.27
  4. Step 4: Simplify right side
    141,486.21x = 11,180,037,086.46
  5. Step 5: Solve for x
    x = 11,180,037,086.46/141,486.21
  6. Step 6: Final answer
    x = 79,018.56

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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.