Home / 328,868.46-493,316.55-104,223.96

Finding the Fourth Proportional to 328,868.46, 493,316.55 and 104,223.96

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Solution

The fourth proportional to 328,868.46, 493,316.55 and 104,223.96 is: 156,340.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,868.46 : 493,316.55 = 104,223.96 : x
  2. Step 2: Convert to fraction form
    328,868.46/493,316.55 = 104,223.96/x
  3. Step 3: Cross multiply
    328,868.46x = 493,316.55 × 104,223.96
  4. Step 4: Simplify right side
    328,868.46x = 51,415,404,374.54
  5. Step 5: Solve for x
    x = 51,415,404,374.54/328,868.46
  6. Step 6: Final answer
    x = 156,340.33

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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.