Home / 328,872.18-493,252.68-92,160.42

Finding the Fourth Proportional to 328,872.18, 493,252.68 and 92,160.42

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Solution

The fourth proportional to 328,872.18, 493,252.68 and 92,160.42 is: 138,225.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,872.18 : 493,252.68 = 92,160.42 : x
  2. Step 2: Convert to fraction form
    328,872.18/493,252.68 = 92,160.42/x
  3. Step 3: Cross multiply
    328,872.18x = 493,252.68 × 92,160.42
  4. Step 4: Simplify right side
    328,872.18x = 45,458,374,154.93
  5. Step 5: Solve for x
    x = 45,458,374,154.93/328,872.18
  6. Step 6: Final answer
    x = 138,225.05

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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.