Home / 133,582.12-200,474.70-49,421.86

Finding the Fourth Proportional to 133,582.12, 200,474.70 and 49,421.86

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Solution

The fourth proportional to 133,582.12, 200,474.70 and 49,421.86 is: 74,170.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,582.12 : 200,474.70 = 49,421.86 : x
  2. Step 2: Convert to fraction form
    133,582.12/200,474.70 = 49,421.86/x
  3. Step 3: Cross multiply
    133,582.12x = 200,474.70 × 49,421.86
  4. Step 4: Simplify right side
    133,582.12x = 9,907,832,556.94
  5. Step 5: Solve for x
    x = 9,907,832,556.94/133,582.12
  6. Step 6: Final answer
    x = 74,170.35

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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.