Home / 131,998.46-198,096.10-53,113.36

Finding the Fourth Proportional to 131,998.46, 198,096.10 and 53,113.36

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Solution

The fourth proportional to 131,998.46, 198,096.10 and 53,113.36 is: 79,709.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,998.46 : 198,096.10 = 53,113.36 : x
  2. Step 2: Convert to fraction form
    131,998.46/198,096.10 = 53,113.36/x
  3. Step 3: Cross multiply
    131,998.46x = 198,096.10 × 53,113.36
  4. Step 4: Simplify right side
    131,998.46x = 10,521,549,473.90
  5. Step 5: Solve for x
    x = 10,521,549,473.90/131,998.46
  6. Step 6: Final answer
    x = 79,709.64

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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.