Home / 456,462.45-684,755.94-190,160.64

Finding the Fourth Proportional to 456,462.45, 684,755.94 and 190,160.64

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Solution

The fourth proportional to 456,462.45, 684,755.94 and 190,160.64 is: 285,266.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,462.45 : 684,755.94 = 190,160.64 : x
  2. Step 2: Convert to fraction form
    456,462.45/684,755.94 = 190,160.64/x
  3. Step 3: Cross multiply
    456,462.45x = 684,755.94 × 190,160.64
  4. Step 4: Simplify right side
    456,462.45x = 130,213,627,794.20
  5. Step 5: Solve for x
    x = 130,213,627,794.20/456,462.45
  6. Step 6: Final answer
    x = 285,266.90

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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.