Home / 147,559.20-221,005.79-103,383.12

Finding the Fourth Proportional to 147,559.20, 221,005.79 and 103,383.12

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Solution

The fourth proportional to 147,559.20, 221,005.79 and 103,383.12 is: 154,841.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,559.20 : 221,005.79 = 103,383.12 : x
  2. Step 2: Convert to fraction form
    147,559.20/221,005.79 = 103,383.12/x
  3. Step 3: Cross multiply
    147,559.20x = 221,005.79 × 103,383.12
  4. Step 4: Simplify right side
    147,559.20x = 22,848,267,591.35
  5. Step 5: Solve for x
    x = 22,848,267,591.35/147,559.20
  6. Step 6: Final answer
    x = 154,841.36

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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.