Home / 132,044.40-198,075.72-53,158.80

Finding the Fourth Proportional to 132,044.40, 198,075.72 and 53,158.80

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Solution

The fourth proportional to 132,044.40, 198,075.72 and 53,158.80 is: 79,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,044.40 : 198,075.72 = 53,158.80 : x
  2. Step 2: Convert to fraction form
    132,044.40/198,075.72 = 53,158.80/x
  3. Step 3: Cross multiply
    132,044.40x = 198,075.72 × 53,158.80
  4. Step 4: Simplify right side
    132,044.40x = 10,529,467,584.34
  5. Step 5: Solve for x
    x = 10,529,467,584.34/132,044.40
  6. Step 6: Final answer
    x = 79,741.87

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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.