Home / 212,036.33-318,162.13-141,008.38

Finding the Fourth Proportional to 212,036.33, 318,162.13 and 141,008.38

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Solution

The fourth proportional to 212,036.33, 318,162.13 and 141,008.38 is: 211,584.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,036.33 : 318,162.13 = 141,008.38 : x
  2. Step 2: Convert to fraction form
    212,036.33/318,162.13 = 141,008.38/x
  3. Step 3: Cross multiply
    212,036.33x = 318,162.13 × 141,008.38
  4. Step 4: Simplify right side
    212,036.33x = 44,863,525,380.72
  5. Step 5: Solve for x
    x = 44,863,525,380.72/212,036.33
  6. Step 6: Final answer
    x = 211,584.14

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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.