Home / 242,623.38-363,974.67-76,372.50

Finding the Fourth Proportional to 242,623.38, 363,974.67 and 76,372.50

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Solution

The fourth proportional to 242,623.38, 363,974.67 and 76,372.50 is: 114,571.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,623.38 : 363,974.67 = 76,372.50 : x
  2. Step 2: Convert to fraction form
    242,623.38/363,974.67 = 76,372.50/x
  3. Step 3: Cross multiply
    242,623.38x = 363,974.67 × 76,372.50
  4. Step 4: Simplify right side
    242,623.38x = 27,797,655,484.58
  5. Step 5: Solve for x
    x = 27,797,655,484.58/242,623.38
  6. Step 6: Final answer
    x = 114,571.22

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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.