Home / 141,975.09-212,916.51-47,179.83

Finding the Fourth Proportional to 141,975.09, 212,916.51 and 47,179.83

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Solution

The fourth proportional to 141,975.09, 212,916.51 and 47,179.83 is: 70,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,975.09 : 212,916.51 = 47,179.83 : x
  2. Step 2: Convert to fraction form
    141,975.09/212,916.51 = 47,179.83/x
  3. Step 3: Cross multiply
    141,975.09x = 212,916.51 × 47,179.83
  4. Step 4: Simplify right side
    141,975.09x = 10,045,364,745.99
  5. Step 5: Solve for x
    x = 10,045,364,745.99/141,975.09
  6. Step 6: Final answer
    x = 70,754.42

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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.