Home / 274,712.20-412,114.82-94,748.76

Finding the Fourth Proportional to 274,712.20, 412,114.82 and 94,748.76

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Solution

The fourth proportional to 274,712.20, 412,114.82 and 94,748.76 is: 142,139.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,712.20 : 412,114.82 = 94,748.76 : x
  2. Step 2: Convert to fraction form
    274,712.20/412,114.82 = 94,748.76/x
  3. Step 3: Cross multiply
    274,712.20x = 412,114.82 × 94,748.76
  4. Step 4: Simplify right side
    274,712.20x = 39,047,368,172.62
  5. Step 5: Solve for x
    x = 39,047,368,172.62/274,712.20
  6. Step 6: Final answer
    x = 142,139.18

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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.