Home / 245,652.03-338,963.37-138,215.66

Finding the Fourth Proportional to 245,652.03, 338,963.37 and 138,215.66

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Solution

The fourth proportional to 245,652.03, 338,963.37 and 138,215.66 is: 190,717.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,652.03 : 338,963.37 = 138,215.66 : x
  2. Step 2: Convert to fraction form
    245,652.03/338,963.37 = 138,215.66/x
  3. Step 3: Cross multiply
    245,652.03x = 338,963.37 × 138,215.66
  4. Step 4: Simplify right side
    245,652.03x = 46,850,044,205.56
  5. Step 5: Solve for x
    x = 46,850,044,205.56/245,652.03
  6. Step 6: Final answer
    x = 190,717.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.