Home / 141,383.52-212,049.72-57,140.64

Finding the Fourth Proportional to 141,383.52, 212,049.72 and 57,140.64

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Solution

The fourth proportional to 141,383.52, 212,049.72 and 57,140.64 is: 85,700.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,383.52 : 212,049.72 = 57,140.64 : x
  2. Step 2: Convert to fraction form
    141,383.52/212,049.72 = 57,140.64/x
  3. Step 3: Cross multiply
    141,383.52x = 212,049.72 × 57,140.64
  4. Step 4: Simplify right side
    141,383.52x = 12,116,656,712.62
  5. Step 5: Solve for x
    x = 12,116,656,712.62/141,383.52
  6. Step 6: Final answer
    x = 85,700.63

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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.