Home / 141,834.50-212,788.21-53,089.28

Finding the Fourth Proportional to 141,834.50, 212,788.21 and 53,089.28

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Solution

The fourth proportional to 141,834.50, 212,788.21 and 53,089.28 is: 79,647.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,834.50 : 212,788.21 = 53,089.28 : x
  2. Step 2: Convert to fraction form
    141,834.50/212,788.21 = 53,089.28/x
  3. Step 3: Cross multiply
    141,834.50x = 212,788.21 × 53,089.28
  4. Step 4: Simplify right side
    141,834.50x = 11,296,772,861.39
  5. Step 5: Solve for x
    x = 11,296,772,861.39/141,834.50
  6. Step 6: Final answer
    x = 79,647.57

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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.