Home / 252,931.11-379,285.94-75,402.75

Finding the Fourth Proportional to 252,931.11, 379,285.94 and 75,402.75

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Solution

The fourth proportional to 252,931.11, 379,285.94 and 75,402.75 is: 113,071.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,931.11 : 379,285.94 = 75,402.75 : x
  2. Step 2: Convert to fraction form
    252,931.11/379,285.94 = 75,402.75/x
  3. Step 3: Cross multiply
    252,931.11x = 379,285.94 × 75,402.75
  4. Step 4: Simplify right side
    252,931.11x = 28,599,202,389.68
  5. Step 5: Solve for x
    x = 28,599,202,389.68/252,931.11
  6. Step 6: Final answer
    x = 113,071.12

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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.