Home / 433,042.27-649,521.65-133,442.42

Finding the Fourth Proportional to 433,042.27, 649,521.65 and 133,442.42

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Solution

The fourth proportional to 433,042.27, 649,521.65 and 133,442.42 is: 200,150.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,042.27 : 649,521.65 = 133,442.42 : x
  2. Step 2: Convert to fraction form
    433,042.27/649,521.65 = 133,442.42/x
  3. Step 3: Cross multiply
    433,042.27x = 649,521.65 × 133,442.42
  4. Step 4: Simplify right side
    433,042.27x = 86,673,737,904.39
  5. Step 5: Solve for x
    x = 86,673,737,904.39/433,042.27
  6. Step 6: Final answer
    x = 200,150.76

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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.