Home / 252,041.03-378,135.35-74,552.76

Finding the Fourth Proportional to 252,041.03, 378,135.35 and 74,552.76

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Solution

The fourth proportional to 252,041.03, 378,135.35 and 74,552.76 is: 111,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,041.03 : 378,135.35 = 74,552.76 : x
  2. Step 2: Convert to fraction form
    252,041.03/378,135.35 = 74,552.76/x
  3. Step 3: Cross multiply
    252,041.03x = 378,135.35 × 74,552.76
  4. Step 4: Simplify right side
    252,041.03x = 28,191,033,623.30
  5. Step 5: Solve for x
    x = 28,191,033,623.30/252,041.03
  6. Step 6: Final answer
    x = 111,850.97

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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.