Home / 141,849.85-212,823.38-48,421.21

Finding the Fourth Proportional to 141,849.85, 212,823.38 and 48,421.21

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Solution

The fourth proportional to 141,849.85, 212,823.38 and 48,421.21 is: 72,648.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,849.85 : 212,823.38 = 48,421.21 : x
  2. Step 2: Convert to fraction form
    141,849.85/212,823.38 = 48,421.21/x
  3. Step 3: Cross multiply
    141,849.85x = 212,823.38 × 48,421.21
  4. Step 4: Simplify right side
    141,849.85x = 10,305,165,575.89
  5. Step 5: Solve for x
    x = 10,305,165,575.89/141,849.85
  6. Step 6: Final answer
    x = 72,648.41

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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.