Home / 204,503.76-306,772.04-71,381.07

Finding the Fourth Proportional to 204,503.76, 306,772.04 and 71,381.07

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Solution

The fourth proportional to 204,503.76, 306,772.04 and 71,381.07 is: 107,077.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,503.76 : 306,772.04 = 71,381.07 : x
  2. Step 2: Convert to fraction form
    204,503.76/306,772.04 = 71,381.07/x
  3. Step 3: Cross multiply
    204,503.76x = 306,772.04 × 71,381.07
  4. Step 4: Simplify right side
    204,503.76x = 21,897,716,639.74
  5. Step 5: Solve for x
    x = 21,897,716,639.74/204,503.76
  6. Step 6: Final answer
    x = 107,077.33

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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.