Home / 269,026.80-403,539.12-82,037.76

Finding the Fourth Proportional to 269,026.80, 403,539.12 and 82,037.76

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Solution

The fourth proportional to 269,026.80, 403,539.12 and 82,037.76 is: 123,056.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,026.80 : 403,539.12 = 82,037.76 : x
  2. Step 2: Convert to fraction form
    269,026.80/403,539.12 = 82,037.76/x
  3. Step 3: Cross multiply
    269,026.80x = 403,539.12 × 82,037.76
  4. Step 4: Simplify right side
    269,026.80x = 33,105,445,477.17
  5. Step 5: Solve for x
    x = 33,105,445,477.17/269,026.80
  6. Step 6: Final answer
    x = 123,056.31

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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.