Home / 242,043.72-363,057.21-92,278.50

Finding the Fourth Proportional to 242,043.72, 363,057.21 and 92,278.50

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Solution

The fourth proportional to 242,043.72, 363,057.21 and 92,278.50 is: 138,414.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,043.72 : 363,057.21 = 92,278.50 : x
  2. Step 2: Convert to fraction form
    242,043.72/363,057.21 = 92,278.50/x
  3. Step 3: Cross multiply
    242,043.72x = 363,057.21 × 92,278.50
  4. Step 4: Simplify right side
    242,043.72x = 33,502,374,752.99
  5. Step 5: Solve for x
    x = 33,502,374,752.99/242,043.72
  6. Step 6: Final answer
    x = 138,414.56

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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.