Home / 328,678.29-493,091.19-104,052.15

Finding the Fourth Proportional to 328,678.29, 493,091.19 and 104,052.15

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Solution

The fourth proportional to 328,678.29, 493,091.19 and 104,052.15 is: 156,101.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,678.29 : 493,091.19 = 104,052.15 : x
  2. Step 2: Convert to fraction form
    328,678.29/493,091.19 = 104,052.15/x
  3. Step 3: Cross multiply
    328,678.29x = 493,091.19 × 104,052.15
  4. Step 4: Simplify right side
    328,678.29x = 51,307,198,465.56
  5. Step 5: Solve for x
    x = 51,307,198,465.56/328,678.29
  6. Step 6: Final answer
    x = 156,101.57

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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.