Home / 212,635.36-318,857.46-62,823.43

Finding the Fourth Proportional to 212,635.36, 318,857.46 and 62,823.43

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Solution

The fourth proportional to 212,635.36, 318,857.46 and 62,823.43 is: 94,206.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,635.36 : 318,857.46 = 62,823.43 : x
  2. Step 2: Convert to fraction form
    212,635.36/318,857.46 = 62,823.43/x
  3. Step 3: Cross multiply
    212,635.36x = 318,857.46 × 62,823.43
  4. Step 4: Simplify right side
    212,635.36x = 20,031,719,318.29
  5. Step 5: Solve for x
    x = 20,031,719,318.29/212,635.36
  6. Step 6: Final answer
    x = 94,206.91

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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.