Home / 376,729.20-564,742.44-127,236.72

Finding the Fourth Proportional to 376,729.20, 564,742.44 and 127,236.72

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Solution

The fourth proportional to 376,729.20, 564,742.44 and 127,236.72 is: 190,736.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,729.20 : 564,742.44 = 127,236.72 : x
  2. Step 2: Convert to fraction form
    376,729.20/564,742.44 = 127,236.72/x
  3. Step 3: Cross multiply
    376,729.20x = 564,742.44 × 127,236.72
  4. Step 4: Simplify right side
    376,729.20x = 71,855,975,710.40
  5. Step 5: Solve for x
    x = 71,855,975,710.40/376,729.20
  6. Step 6: Final answer
    x = 190,736.41

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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.