Home / 141,339.20-211,877-47,779.52

Finding the Fourth Proportional to 141,339.20, 211,877 and 47,779.52

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Solution

The fourth proportional to 141,339.20, 211,877 and 47,779.52 is: 71,624.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,339.20 : 211,877 = 47,779.52 : x
  2. Step 2: Convert to fraction form
    141,339.20/211,877 = 47,779.52/x
  3. Step 3: Cross multiply
    141,339.20x = 211,877 × 47,779.52
  4. Step 4: Simplify right side
    141,339.20x = 10,123,381,359.04
  5. Step 5: Solve for x
    x = 10,123,381,359.04/141,339.20
  6. Step 6: Final answer
    x = 71,624.73

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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.