Home / 159,676.04-220,356.12-103,185.83

Finding the Fourth Proportional to 159,676.04, 220,356.12 and 103,185.83

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Solution

The fourth proportional to 159,676.04, 220,356.12 and 103,185.83 is: 142,398.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,676.04 : 220,356.12 = 103,185.83 : x
  2. Step 2: Convert to fraction form
    159,676.04/220,356.12 = 103,185.83/x
  3. Step 3: Cross multiply
    159,676.04x = 220,356.12 × 103,185.83
  4. Step 4: Simplify right side
    159,676.04x = 22,737,628,036.00
  5. Step 5: Solve for x
    x = 22,737,628,036.00/159,676.04
  6. Step 6: Final answer
    x = 142,398.50

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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.