Home / 141,961.31-212,942.60-35,345.13

Finding the Fourth Proportional to 141,961.31, 212,942.60 and 35,345.13

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Solution

The fourth proportional to 141,961.31, 212,942.60 and 35,345.13 is: 53,017.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,961.31 : 212,942.60 = 35,345.13 : x
  2. Step 2: Convert to fraction form
    141,961.31/212,942.60 = 35,345.13/x
  3. Step 3: Cross multiply
    141,961.31x = 212,942.60 × 35,345.13
  4. Step 4: Simplify right side
    141,961.31x = 7,526,484,734.12
  5. Step 5: Solve for x
    x = 7,526,484,734.12/141,961.31
  6. Step 6: Final answer
    x = 53,017.86

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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.