Home / 141,731.25-212,629.68-48,237

Finding the Fourth Proportional to 141,731.25, 212,629.68 and 48,237

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Solution

The fourth proportional to 141,731.25, 212,629.68 and 48,237 is: 72,366.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,731.25 : 212,629.68 = 48,237 : x
  2. Step 2: Convert to fraction form
    141,731.25/212,629.68 = 48,237/x
  3. Step 3: Cross multiply
    141,731.25x = 212,629.68 × 48,237
  4. Step 4: Simplify right side
    141,731.25x = 10,256,617,874.16
  5. Step 5: Solve for x
    x = 10,256,617,874.16/141,731.25
  6. Step 6: Final answer
    x = 72,366.66

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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.