Home / 203,929.58-305,925.46-104,035.28

Finding the Fourth Proportional to 203,929.58, 305,925.46 and 104,035.28

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Solution

The fourth proportional to 203,929.58, 305,925.46 and 104,035.28 is: 156,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,929.58 : 305,925.46 = 104,035.28 : x
  2. Step 2: Convert to fraction form
    203,929.58/305,925.46 = 104,035.28/x
  3. Step 3: Cross multiply
    203,929.58x = 305,925.46 × 104,035.28
  4. Step 4: Simplify right side
    203,929.58x = 31,827,040,890.23
  5. Step 5: Solve for x
    x = 31,827,040,890.23/203,929.58
  6. Step 6: Final answer
    x = 156,068.78

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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.