Home / 132,173.75-198,299.50-53,247.35

Finding the Fourth Proportional to 132,173.75, 198,299.50 and 53,247.35

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Solution

The fourth proportional to 132,173.75, 198,299.50 and 53,247.35 is: 79,886.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,173.75 : 198,299.50 = 53,247.35 : x
  2. Step 2: Convert to fraction form
    132,173.75/198,299.50 = 53,247.35/x
  3. Step 3: Cross multiply
    132,173.75x = 198,299.50 × 53,247.35
  4. Step 4: Simplify right side
    132,173.75x = 10,558,921,756.71
  5. Step 5: Solve for x
    x = 10,558,921,756.71/132,173.75
  6. Step 6: Final answer
    x = 79,886.68

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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.