Home / 141,937.60-212,898.05-53,183.68

Finding the Fourth Proportional to 141,937.60, 212,898.05 and 53,183.68

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Solution

The fourth proportional to 141,937.60, 212,898.05 and 53,183.68 is: 79,772.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,937.60 : 212,898.05 = 53,183.68 : x
  2. Step 2: Convert to fraction form
    141,937.60/212,898.05 = 53,183.68/x
  3. Step 3: Cross multiply
    141,937.60x = 212,898.05 × 53,183.68
  4. Step 4: Simplify right side
    141,937.60x = 11,322,701,763.82
  5. Step 5: Solve for x
    x = 11,322,701,763.82/141,937.60
  6. Step 6: Final answer
    x = 79,772.39

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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.