Home / 254,205.45-381,310.36-64,665.98

Finding the Fourth Proportional to 254,205.45, 381,310.36 and 64,665.98

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Solution

The fourth proportional to 254,205.45, 381,310.36 and 64,665.98 is: 96,999.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,205.45 : 381,310.36 = 64,665.98 : x
  2. Step 2: Convert to fraction form
    254,205.45/381,310.36 = 64,665.98/x
  3. Step 3: Cross multiply
    254,205.45x = 381,310.36 × 64,665.98
  4. Step 4: Simplify right side
    254,205.45x = 24,657,807,475.25
  5. Step 5: Solve for x
    x = 24,657,807,475.25/254,205.45
  6. Step 6: Final answer
    x = 96,999.52

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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.