Home / 269,248.32-403,828.56-190,123.20

Finding the Fourth Proportional to 269,248.32, 403,828.56 and 190,123.20

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Solution

The fourth proportional to 269,248.32, 403,828.56 and 190,123.20 is: 285,153.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,248.32 : 403,828.56 = 190,123.20 : x
  2. Step 2: Convert to fraction form
    269,248.32/403,828.56 = 190,123.20/x
  3. Step 3: Cross multiply
    269,248.32x = 403,828.56 × 190,123.20
  4. Step 4: Simplify right side
    269,248.32x = 76,777,178,078.59
  5. Step 5: Solve for x
    x = 76,777,178,078.59/269,248.32
  6. Step 6: Final answer
    x = 285,153.79

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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.