Home / 251,261.20-376,235.70-162,031.60

Finding the Fourth Proportional to 251,261.20, 376,235.70 and 162,031.60

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Solution

The fourth proportional to 251,261.20, 376,235.70 and 162,031.60 is: 242,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,261.20 : 376,235.70 = 162,031.60 : x
  2. Step 2: Convert to fraction form
    251,261.20/376,235.70 = 162,031.60/x
  3. Step 3: Cross multiply
    251,261.20x = 376,235.70 × 162,031.60
  4. Step 4: Simplify right side
    251,261.20x = 60,962,072,448.12
  5. Step 5: Solve for x
    x = 60,962,072,448.12/251,261.20
  6. Step 6: Final answer
    x = 242,624.30

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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.