Home / 141,982.63-212,911.79-53,173.86

Finding the Fourth Proportional to 141,982.63, 212,911.79 and 53,173.86

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Solution

The fourth proportional to 141,982.63, 212,911.79 and 53,173.86 is: 79,737.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,982.63 : 212,911.79 = 53,173.86 : x
  2. Step 2: Convert to fraction form
    141,982.63/212,911.79 = 53,173.86/x
  3. Step 3: Cross multiply
    141,982.63x = 212,911.79 × 53,173.86
  4. Step 4: Simplify right side
    141,982.63x = 11,321,341,713.81
  5. Step 5: Solve for x
    x = 11,321,341,713.81/141,982.63
  6. Step 6: Final answer
    x = 79,737.51

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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.