Home / 141,769.53-212,591.10-75,194.51

Finding the Fourth Proportional to 141,769.53, 212,591.10 and 75,194.51

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Solution

The fourth proportional to 141,769.53, 212,591.10 and 75,194.51 is: 112,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,769.53 : 212,591.10 = 75,194.51 : x
  2. Step 2: Convert to fraction form
    141,769.53/212,591.10 = 75,194.51/x
  3. Step 3: Cross multiply
    141,769.53x = 212,591.10 × 75,194.51
  4. Step 4: Simplify right side
    141,769.53x = 15,985,682,531.91
  5. Step 5: Solve for x
    x = 15,985,682,531.91/141,769.53
  6. Step 6: Final answer
    x = 112,758.24

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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.