Home / 132,050.20-197,783.70-53,123.80

Finding the Fourth Proportional to 132,050.20, 197,783.70 and 53,123.80

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Solution

The fourth proportional to 132,050.20, 197,783.70 and 53,123.80 is: 79,568.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,050.20 : 197,783.70 = 53,123.80 : x
  2. Step 2: Convert to fraction form
    132,050.20/197,783.70 = 53,123.80/x
  3. Step 3: Cross multiply
    132,050.20x = 197,783.70 × 53,123.80
  4. Step 4: Simplify right side
    132,050.20x = 10,507,021,722.06
  5. Step 5: Solve for x
    x = 10,507,021,722.06/132,050.20
  6. Step 6: Final answer
    x = 79,568.39

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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.