Home / 132,566.50-198,849.74-109,143.72

Finding the Fourth Proportional to 132,566.50, 198,849.74 and 109,143.72

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Solution

The fourth proportional to 132,566.50, 198,849.74 and 109,143.72 is: 163,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,566.50 : 198,849.74 = 109,143.72 : x
  2. Step 2: Convert to fraction form
    132,566.50/198,849.74 = 109,143.72/x
  3. Step 3: Cross multiply
    132,566.50x = 198,849.74 × 109,143.72
  4. Step 4: Simplify right side
    132,566.50x = 21,703,200,344.63
  5. Step 5: Solve for x
    x = 21,703,200,344.63/132,566.50
  6. Step 6: Final answer
    x = 163,715.57

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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.